The China Manufacturer and supplier of Thiourea Dioxde TDO and Pulp Bleaching Agent FAS used for Texitile and paper industry.Thiourea dioxide has many advantages with high reducibility, excellent heat stability, nonpoison, tasteless, easy operation, efficience, transportation，Can be widely used dyeing, paper making and other industries as kinds of reduction agent, bleach, decolorizer, plastic stabilizer.