タイトルまたは説明

Sodium Hydrosulfite *****: Na2S2O4 2.Hazard Class: 4.2 ***** No.: ********6 4.Uses:textile industry, printing, paper we are the biggest manufacturer of dyestuffs in china and we export our products to your country every year as per your inquiry, i would like to introduce our company to you We are making the following items, disperse dye /reactive dye /cationic dye /sulphur dye/sulphur black/indigo/vat dye/direct dye/acid dye/sodium hydrosulfite there are the websites, pls click them : ***** *****