Shangyu Leader Chemical Co., Ltd.
Our company, SHANGYU LEADER CHEMICAL CO.,LTD, are the leading manufacturer and supplier of Sodium Hydrosulphite (74%,85%,88%,90% min)in China and also produce Disperse dyes, Reactive dyes, Acid dyes,vat dyes ,Indigo Blue Granular,Sulphur dyes and textile auxilieries with ISO9001 certificated and OKTEX Standard.