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toluene |sodium carbonate |nickel sulfate |sodium stannate |calcium chloride |polyvinyl alcohol--huaibei gucheng materials trade co., ltd. toluene |sodium carbonate |nickel sulfate |sodium stannate |calcium chloride |polyvinyl alcohol--huaibei gucheng materials trade co., ltd.

huaibei gucheng goods trading co., ltd. is located at the foot of xiangshan mountain in huaibei city, anhui province. it has a beautiful environment and convenient transportation. it is adjacent to lianhuo expressway in the north, hexu expressway in the east and beijing-shanghai line, and is 50 kilometers away from xuzhou city.

www.gchgw.com movie video 2025-04-21

brominated acetaldehyde dimethanol, brominated ethanol diethanol, brominated acetaldehyde ethylene glycol _zibo qifeng chuanrun chemical co., ltd. brominated acetaldehyde dimethanol, brominated ethanol diethanol, brominated acetaldehyde ethylene glycol _zibo qifeng chuanrun chemical co., ltd.

zibo qifeng chuanrun chemical co., ltd. is a main manufacturer and sales of brominated acetaldehyde dimethanol, brominated ethanol, brominated acetaldehyde dimethanol, chlorinated acetaldehyde dimethanol, chlorinated acetaldehyde ethylene glycol, cyanide brominated, p-toluenesulfonyl cyanide, feniraminin maleate, 4-methylacetanilide, 4-chloridine methyl ether, bisphenol A manufacturer of cyanate type, bromoacetaldehyde ethylene glycol triphenylphosphorus salt, reasonable price and high quality, welcome to consult

qfcr.com management consulting 2025-04-20

service support-jinli international branch customer service.jinli international wechat service support-jinli international branch customer service.jinli international wechat

jinli international company customer service [18108833231]- Q micro-synchronization 97978103-hongtai company customer service opens an account online 24 hours a day. hongtai international company customer service wins customers' understanding, respect and support with sincerity and strength.

loncom.cn business services 2025-04-20

methanol _toluene supplier-weifang honglin chemical co., ltd. methanol _toluene supplier-weifang honglin chemical co., ltd.

weifang honglin chemical co., ltd. mainly sells products: methanol, toluene, hydrochloric acid, liquid alkali, tablet alkali, ethyl acetate and other chemical products. consultation hotline: 15064611777

honglinhuagong.com management consulting 2025-04-20

【dojimei instruction manual] _dorjemi _dorjemi price _dojime treatment effect _sorafinil _【kangwangyou overseas medical】 【dojimei instruction manual] _dorjemi _dorjemi price _dojime treatment effect _sorafinil _【kangwangyou overseas medical】

sorafenib, also known as dogime, is a star medicine for liver cancer treatment for ten years and is also used for advanced renal cancer and thyroid cancer. india's sorafenib has higher cost performance [kangbi overseas medical].

djm.kangbixing.com celebrity entertainment 2025-04-19

luoyang formaldehyde removal company _formaldehyde detection in luoyang _indoor formaldehyde treatment-luoyang heart respiratory environmental protection formaldehyde testing and treatment company luoyang formaldehyde removal company _formaldehyde detection in luoyang _indoor formaldehyde treatment-luoyang heart respiratory environmental protection formaldehyde testing and treatment company

【luoyang formaldehyde removal company ★telephone 16638927722] luoyang heart respiratory environmental protection formaldehyde testing and treatment company is a company engaged in indoor air pollution (luoyang formaldehyde removal, luoyang formaldehyde detection and treatment, indoor air purification, TVOC、 a technology innovation company integrating toxic gases such as ammonia and benzene) detection, prevention and control. the company believes that quality is life and users are god's purpose, constantly improve product quality, let users enjoy newer scientific and technological achievements, and implement a quality tracking service system to meet the various needs of different users. the product has solved the disadvantages of the same industry that can only remove free pollutants, and has taken the lead in carrying out comprehensive removal of indoor air pollution in china, and has compiled a practical and comprehensive management plan, including formaldehyde, benzene, xylene, TVOC and other toxic gases are catalyzed, adsorbed and decomposed. the company is committed to comprehensively solving formaldehyde, benzene, xylene, etc., enterprises, families, office buildings, hospitals, hotels, schools, shopping malls, entertainment venues, etc. TVOC、 indoor environmental pollution caused by ammonia and harmful polar chemical gases. the company adheres to integrity, responsibility, pragmatism and attitude to provide a healthy and high-quality environment for your family, pregnant women and babies. we will provide sincere service to every customer with professional technology and superb construction. looking forward to your phone call!

www.lfjqzl.27a.cn celebrity entertainment 2025-04-11

jiangxi landun biotechnology co., ltd. jiangxi landun biotechnology co., ltd.

jiangxi landun biotechnology co., ltd. is engaged in vector biological control, sterilization and disinfection, and the prevention of four pests (mosquitoes, cockroaches, rats and flies). it is used to detect formaldehyde, benzene, xylene, and TVOC, companies that eliminate odors and clean indoor air

www.jxldswkj.com corporate brand 2025-04-06

qingdao century star chemical reagent co., ltd. qingdao century star chemical reagent co., ltd.

the company is mainly engaged in the production of chemical reagents, glass instruments, fine chemicals and chemical raw materials marketing. at present, it has become the most comprehensive professional company with the most comprehensive range of chemical reagents and fine chemicals.

sjxchem.com advertising and marketing 2025-04-06

dichloromethane manufacturer _tetrachloroethylene manufacturer _dalian paraffin-dalian aotianyu chemical trading co., ltd. official website dichloromethane manufacturer _tetrachloroethylene manufacturer _dalian paraffin-dalian aotianyu chemical trading co., ltd. official website

dalian aotianyu chemical trading co., ltd. is to operate: paraffin, toluene, polypropylene, dichloromethane, trichloromethane, tetrachloroethylene, silicone (trimethylchlorosilane), ethylene glycol, anhydrous sodium sulfite, tablet alkali, soda ash, dimethylformamide ( DMF)、 refrigerant R22、R410a、R404、R407C、R134a domestic and import and export trade business of chemical products

www.aotianyu.cn wholesale of trade 2025-03-31

guangzhou formaldehyde removal company _professional formaldehyde testing and treatment for beauty pageant green home _no charges if you fail to meet the standards guangzhou formaldehyde removal company _professional formaldehyde testing and treatment for beauty pageant green home _no charges if you fail to meet the standards

guangzhou meilujia formaldehyde removal company has class a construction qualifications to provide professional door-to-door indoor air detection and formaldehyde treatment services for panyu, zengcheng, conghua offices, schools, kindergartens, and new houses. it uses japanese photocatalyst decomposition technology to target formaldehyde, benzene, toluene, xylene, and decoration pollution. TVOC the harmful gases have the effect of quickly removing them, keeping you and your family away from formaldehyde hazards.

www.l8d.cn business services 2025-03-29

hengkang pharmaceutical--professional DTT dithiothreitol production, TRIS manufacturer, API, raw materials for biological diagnostic testing reagents hengkang pharmaceutical--professional DTT dithiothreitol production, TRIS manufacturer, API, raw materials for biological diagnostic testing reagents

zhangjiajie hengkang biopharma co., ltd. focuses on the research and development, production and sales of biological diagnosis, biodetection reagent raw materials and cell biology-related products, specialty raw materials, pharmaceutical intermediates and high-end chemical products, and can provide customers with customized processing and r&d business. we can develop high-end pharmaceutical and chemical products with high technical difficulties and high barriers and unique production processes. it can provide products such as grams, kilograms, and tons of pharmaceutical raw materials and pharmaceutical intermediates.

hengkangapi.com movie video 2025-03-29

dimethyl sulfoxide price _xylene manufacturer _chemical raw material supplier _jiangsu zhengxu chemical co., ltd. dimethyl sulfoxide price _xylene manufacturer _chemical raw material supplier _jiangsu zhengxu chemical co., ltd.

jiangsu zhengxu chemical co., ltd. is a comprehensive petrochemical company specializing in the trade of petroleum and chemical products. it is a chemical raw material supplier. if you want to know the price of dimethyl sulfoxide and the recommendation information of xylene manufacturers, please call us for consultation!

zhengxuchem.com management consulting 2025-03-28

jade ring formaldehyde removal _jade ring formaldehyde detection _yuhuan formaldehyde treatment-taizhou yujing environmental protection technology co., ltd. jade ring formaldehyde removal _jade ring formaldehyde detection _yuhuan formaldehyde treatment-taizhou yujing environmental protection technology co., ltd.

taizhou yujing environmental protection technology co., ltd. tel: 18957614841, is engaged in indoor air pollution (yuhuan formaldehyde removal, yuhuan formaldehyde detection and treatment, indoor air purification, TVOC、 a technology innovation company integrating toxic gases such as ammonia and benzene) detection, prevention and control. the company is committed to comprehensively solving formaldehyde, benzene, xylene, etc., enterprises, families, office buildings, hospitals, hotels, schools, shopping malls, entertainment venues, etc. TVOC、 indoor environmental pollution caused by ammonia and harmful polar chemical gases. the company believes that quality is life and users are god's purpose, constantly improve product quality, let users enjoy newer scientific and technological achievements, and implement a quality tracking service system to meet the various needs of different users. the product has solved the disadvantages of the same industry that can only remove free pollutants, and has taken the lead in carrying out comprehensive removal of indoor air pollution in china, and has compiled a practical and comprehensive management plan, including formaldehyde, benzene, xylene, TVOC and other toxic gases are catalyzed, adsorbed and decomposed. the company's air pollution control services have a strict process from detection to completion to after-sales service. the company adheres to the integrity, responsibility and pragmatic attitude to provide a healthy and high-quality environment for your family, pregnant women and babies. we will provide sincere services to every customer with professional technology and superb construction. we look forward to your call for consultation!

www.hznxaws.68jcw.com celebrity entertainment 2025-03-24

shandong zhongkai frp co., ltd. - frp pressure tank, frp pipeline, frp sandwich pipeline shandong zhongkai frp co., ltd. - frp pressure tank, frp pipeline, frp sandwich pipeline

shandong zhongkai frp co., ltd. specializes in the production of fiberglass pipelines, fiberglass sandwich pipelines, fiberglass cable protection pipes, fiberglass water transmission pipes and other fiberglass series products. it is the first batch of enterprises certified by anqiu for safety production designated units for hazardous chemical packaging. the company is willing to cooperate with you with "first-class process equipment, strong technical strength, excellent product quality, and perfect after-sales service".

kuiwen.11che.com safe anti-virus 2025-03-24

shanghai huize chemical co., ltd. _shanghai huize chemical co., ltd. shanghai huize chemical co., ltd. _shanghai huize chemical co., ltd.

shanghai huize chemical co., ltd. is to engage in special chemical solvent business and have the qualifications to operate hazardous chemicals. at the same time, it has a cooperative team with professional knowledge of chemical engineering, with a total of more than 60 employees. cube chemical warehouse and 3,000 square meters of preparation workshop, mainly for wholesale and retail hazardous chemicals and general chemicals. tel: 15720898785

huizehuagong.com corporate brand 2025-03-21

nanjing haoxinwei technology and trade co., ltd. |aerosol |dearing solvent oil |aerosol insecticides |odorless kerosene nanjing haoxinwei technology and trade co., ltd. |aerosol |dearing solvent oil |aerosol insecticides |odorless kerosene

haoxinwei company is a private science and trade company integrating development, production, and agency sales. it has accumulated many years of experience in the development and processing of aerosol products and the deodorization process technology of butane gas. the main products include de-arrangement solvent oil, solvent oil for ore dressing extraction, hydrocarbon refrigerant, odorless purified butane gas, aerosol, aerosol pesticides, odorless kerosene, molecular sieve and catalysts, aromatic solvents, homotrityl, trityl, etc., contact number: 025-85470506.

nj-hxw.com programming and development 2025-03-20

o-p-toluenesulfonamide [1333-07-9] |p-toluenesulfonamide [70-55-3] |p-toluenesulfonyl chloride【98-59-9】 |para-hydroxybenzaldehyde【123-08-0】 |N,N- diethylhydroxylamine【3710-84-7】 |o-toluenesulfonamide [88-19-7] |sodium p-toluenesulfinate [824-79-3] |zinc benzenesulfinate [24308-84-7] |chloramine  T【127-65-1】|methyl p-toluenesulfonate [80-48-8]-zhejiang jinwotai new materials co., ltd. o-p-toluenesulfonamide [1333-07-9] |p-toluenesulfonamide [70-55-3] |p-toluenesulfonyl chloride【98-59-9】 |para-hydroxybenzaldehyde【123-08-0】 |N,N- diethylhydroxylamine【3710-84-7】 |o-toluenesulfonamide [88-19-7] |sodium p-toluenesulfinate [824-79-3] |zinc benzenesulfinate [24308-84-7] |chloramine T【127-65-1】|methyl p-toluenesulfonate [80-48-8]-zhejiang jinwotai new materials co., ltd.

o-p-toluenesulfonamide [1333-07-9] |p-toluenesulfonamide [70-55-3] |p-toluenesulfonyl chloride【98-59-9】 |para-hydroxybenzaldehyde【123-08-0】 |N,N- diethylhydroxylamine【3710-84-7】 |o-toluenesulfonamide [88-19-7] |sodium p-toluenesulfinate [824-79-3] |zinc benzenesulfinate [24308-84-7] |chloramine T【127-65-1】|methyl p-toluenesulfonate [80-48-8]-zhejiang jinwotai new materials co., ltd.

www.kingvolt.com movie video 2025-03-19

ganzhou chengyin new materials co., ltd.-ganzhou white electric oil, ganzhou industrial methanol, ganzhou industrial ethanol, ganzhou industrial alcohol, ganzhou industrial diluent, ganzhou epoxy resin, ganzhou sodium hydroxide ganzhou chengyin new materials co., ltd.-ganzhou white electric oil, ganzhou industrial methanol, ganzhou industrial ethanol, ganzhou industrial alcohol, ganzhou industrial diluent, ganzhou epoxy resin, ganzhou sodium hydroxide

ganzhou chengyin new materials co., ltd. was established in june 2010. mainly engaged in industrial alcohol, methanol, anhydrous ethanol, white electric oil, isopropanol, butyl ester, cyclohexanone, 783 isophorone, white water, oil-activated water, gun washing water, paint, furniture paint, finished diluent D40 environmentally friendly solvent, D30 environmentally friendly solvents, butyl acetate, ethyl acetate, xylene, dimethyl carbonate, cyclohexanone, 783 isophorone, DMF dimethylformamide, PMA propylene glycol methyl ether acetate, styrene, diluent, industrial cleaning agent, tianna water, gun washing water, machine water, oil water, floor paint thinner, epoxy paint thinner, building paint thinner, alkyd paint thinner, acrylic paint thinner, industrial methanol: methanol, anhydrous ethanol, industrial alcohol, isopropanol, ethylene glycol, DAA diacetone alcohol, BCS anti-white water, ethylene glycol butyl ether polyaluminum chloride, polyacrylamide, defoaming agent, alum, epoxy resin, anti-corrosion epoxy resin, T31 curing agent, waterproof coating, epoxy resin diluent.

www.gzcy0797.com movie video 2025-03-19

parafluorotoluene |m-fluorotoluene | o-fluorotoluene |fluorobenzene |acetylphenylhydrazine |p-toluidine--dongzhi detai fine chemical co., ltd. parafluorotoluene |m-fluorotoluene | o-fluorotoluene |fluorobenzene |acetylphenylhydrazine |p-toluidine--dongzhi detai fine chemical co., ltd.

dongzhi detai fine chemical co., ltd. was founded in 2005. it is located in the provincial chemical park of dongzhi county, chizhou city, anhui province. it covers an area of ​​15,000 square meters. it has convenient land and water transportation. it is connected to three highways. it is connected to the four provinces of jiangsu, zhejiang, shandong and jiangxi. the golden waterway of the yangtze river is 5 kilometers away from the factory. the tongjiu railway directly reaches nanjing and shanghai.

www.detaichem.com internet information 2025-03-18

sodium chloride reagent 502 gel-glacial acetic acid reagent-beihua reagent-beihua kaiyuan chemical co., ltd. sodium chloride reagent 502 gel-glacial acetic acid reagent-beihua reagent-beihua kaiyuan chemical co., ltd.

beijing beihua kaiyuan chemical co., ltd.'s main products include: sodium chloride reagent 502 gel, glacial acetic acid reagent, beihua reagent, glycerol reagent, petroleum ether reagent, sodium thiosulfate reagent, acetonitrile reagent, potassium hydroxide reagent, sodium bicarbonate reagent, dichloromethane reagent, xylene reagent, ethyl acetate reagent, and oxalic acid reagent. the company insists on "survival by quality and development by variety

www.beihuashiji.com.cn movie video 2025-03-18

cyanogen bromide |bromoacetaldehyde dimethyl alcohol |chloroacetaldehyde ethylene glycol |p-toluenesulfonyl cyanide |feniramin maleate-zibo qifeng chuanrun chemical co., ltd. cyanogen bromide |bromoacetaldehyde dimethyl alcohol |chloroacetaldehyde ethylene glycol |p-toluenesulfonyl cyanide |feniramin maleate-zibo qifeng chuanrun chemical co., ltd.

zibo qifeng chuanrun chemical co., ltd. integrates product research and development, production and sales. the main products include cyanogen bromide, bromine acetaldehyde dimethyl alcohol, bromine acetaldehyde ethylene glycol, chloro acetaldehyde dimethyl alcohol, chloro acetaldehyde ethylene glycol, p-toluenesulfonyl cyanide, feniramin maleate, 4-methylacetanilide, 4-chloridine methyl ether, bisphenol A cyanate type, bromoacetaldehyde ethylene glycol triphenylphosphine salt, etc., its products are best sold in shandong, zhejiang, jiangsu, anhui, fujian, hubei, liaoning, shanghai and other parts of the country.

www.ziboqifengchuanrun.com movie video 2025-03-17

kunshan dakun environmental technology co., ltd. _toluene _xylene kunshan dakun environmental technology co., ltd. _toluene _xylene

kunshan dakun environmental technology co., ltd. was established in november 1999. its original name was kunshan jinlong chemical reagent factory and was renamed kunshan jinlong reagent co., ltd. in march 2006.

www.dkhjkj.com technological innovation 2025-03-16

jiangsu juyou new materials technology co., ltd. jiangsu juyou new materials technology co., ltd.

jiangsu juyou new materials technology co., ltd. was established in april 2021. the main factory is located in the new materials industrial park of zhenjiang economic and technological development zone. it is mainly engaged in the research, production and sales of chlorinated aromatic hydrocarbons and their downstream derivative series products. after years of technical research and production experience, it has core technologies such as aromatic chlorination and isomer separation, forming a chlorinated aromatic hydrocarbon and its downstream derivative series product industry chain with aromatic hydrocarbons and other aromatic hydrocarbons as raw materials.

js-beyond.com programming and development 2025-03-16

boiling oil water _heaven's water _white electric oil _gun washing water _isopropanol _cycloheketone _xylene _ethyl acetate _butyl acetate _industrial alcohol-dongguan hengkai new materials boiling oil water _heaven's water _white electric oil _gun washing water _isopropanol _cycloheketone _xylene _ethyl acetate _butyl acetate _industrial alcohol-dongguan hengkai new materials

dongguan hengkai new materials co., ltd. is located in zhangmu town, dongguan city. the company integrates r&d, production and sales. the company mainly produces and sells boiling water, tianna water, white electric oil, gun washing water, isopropanol, cyclohexanone, xylene, ethyl acetate, butyl acetate, industrial alcohol, etc. the company has a professional technical team that can make professional allocation and configuration according to the customer's different uses and needs to help customers solve various problems.

www.dghengkai88.com movie video 2025-03-16

shouguang derun chemical co., ltd.--toluene diphenyl phosphate /CDP|triisopropylphenyl phosphate /IPPP|trithylene phosphate /TCP|triphenyl phosphate /TPP|tris(xylyl)phosphate /TXP shouguang derun chemical co., ltd.--toluene diphenyl phosphate /CDP|triisopropylphenyl phosphate /IPPP|trithylene phosphate /TCP|triphenyl phosphate /TPP|tris(xylyl)phosphate /TXP

toluene diphenyl phosphate /CDP|triisopropylphenyl phosphate /IPPP|trithylene phosphate /TCP|triphenyl phosphate /TPP|tris(xylyl)phosphate /TXP-- shouguang derun chemical co., ltd.

derunchem.com movie video 2025-03-16

xinxiang jincheng pharmaceutical chemical co., ltd.----dodecylsulfonylazide |p-toluenesulfonyl azide |p. dodecylsulfonyl chloride |p-toluenesulfonyl chloride |parafluorobenzenesulfonyl chloride |p-chlorobenzenesulfonyl chloride |4-biphenylsulfonyl chloride |p-iodine benzenesulfonyl chloride xinxiang jincheng pharmaceutical chemical co., ltd.----dodecylsulfonylazide |p-toluenesulfonyl azide |p. dodecylsulfonyl chloride |p-toluenesulfonyl chloride |parafluorobenzenesulfonyl chloride |p-chlorobenzenesulfonyl chloride |4-biphenylsulfonyl chloride |p-iodine benzenesulfonyl chloride

dodecylsulfonylazide |p-toluenesulfonyl azide |p. dodecylsulfonyl chloride |p-toluenesulfonyl chloride |parafluorobenzenesulfonyl chloride |p-chlorobenzenesulfonyl chloride |4-biphenylsulfonyl chloride |p-iodine benzenesulfonyl chloride-xinxiang jincheng pharmaceutical chemical co., ltd.

www.xxjcchem.com movie video 2025-03-15

air cooler _waste heat recovery equipment _elliptical tube heat exchanger _wuxi xueda heat exchanger co., ltd. air cooler _waste heat recovery equipment _elliptical tube heat exchanger _wuxi xueda heat exchanger co., ltd.

wuxi xueda heat exchanger co., ltd.'s main products include: air cooler, waste heat recovery equipment, nitrile glove wire heater, elliptical tube heat exchanger, VOC waste gas treatment equipment, waste heat recovery and exchange equipment, high-temperature water or steam air heater, high-temperature thermal oil air heater, copper tube aluminum sheet, copper tube copper sheet, stainless steel tube stainless steel sheet surface air cooler, air cooling (water cooling )oil cooler, large air-cooled air cooler (steam recovery ),toluene recovery device, air-divided high-pressure cooler (air-cooled - water-cooled ),shell and tube heat exchangers, annealing furnace heat exchangers, etc.

www.wxxf.com movie video 2025-03-15

formamide _sulfoxide _tetrahydrofuran-shandong anqiang chemical co., ltd. formamide _sulfoxide _tetrahydrofuran-shandong anqiang chemical co., ltd.

the chemicals operated by shandong anqiang chemical co., ltd. are formamide, sulfoxide oxide, tetrahydrofuran, DMF、 a series of chemical raw materials and solvents such as toluene, formic acid, triethylamine, ethyl acetate, beryllium chloride, ethylene glycol, ethyl essence, n-propionic acid, anhydrous ethanol, difluoromethane, and stone dumplings have complete documents.

sdanqianghuagong.com movie video 2025-03-14

kunshan minglong chemical co., ltd. (industrial alcohol; anhydrous ethanol; isopropanol; white electric oil; stain removal oil; petroleum ether; aluminum alloy dye; n-heptane; mold washing water; hydrocarbon cleaning agent; banana water; tianna water; diluent; dichloromethane; methyl acetate; ethyl acetate; antistatic agent; anti-white water; glycerin; silicone oil; n-butanol; polyethylene glycol; triethanolamine; tetrahydrofuran; washing water; net washing water; water-based cleaning agent; flame retardant cleaning agent; phenylene water cleaning agent; isophorone; toluene; acetone; butanone) kunshan minglong chemical co., ltd. (industrial alcohol; anhydrous ethanol; isopropanol; white electric oil; stain removal oil; petroleum ether; aluminum alloy dye; n-heptane; mold washing water; hydrocarbon cleaning agent; banana water; tianna water; diluent; dichloromethane; methyl acetate; ethyl acetate; antistatic agent; anti-white water; glycerin; silicone oil; n-butanol; polyethylene glycol; triethanolamine; tetrahydrofuran; washing water; net washing water; water-based cleaning agent; flame retardant cleaning agent; phenylene water cleaning agent; isophorone; toluene; acetone; butanone)

kunshan minglong supplies industrial alcohol; anhydrous ethanol; white electric oil; stain removal oil; petroleum ether; aluminum alloy dye; n-heptane; mold washing water; hydrocarbon cleaning agent; banana water; tianna water; diluent; dichloromethane; methyl acetate; ethyl acetate; antistatic agent; anti-white water; glycerin; silicone oil; n-butanol; polyethylene glycol; triethanolamine; tetrahydrofuran; washing water; net washing water; water-based water-based cleaning agent; flame retardant cleaning agent; phenylene water cleaning agent; isophorone; toluene; acetone; butanone.

minlohg.cn movie video 2025-03-14

luoyang hanyi chemical co., ltd.-- DSD acid |dinitro acid |aniline-2,5-disulfonic acid p-nitrotoluene o-sulfonic acid luoyang hanyi chemical co., ltd.-- DSD acid |dinitro acid |aniline-2,5-disulfonic acid p-nitrotoluene o-sulfonic acid

DSD acid |dinitro acid |aniline-2,5-disulfonic acid p-nitrotoluene o-sulfonic acid

www.hanyichem.com movie video 2025-03-13