Deqing tongrui construction co.,ltd

Our company specially produce phosphorous acid 98.5% (H3PO3) very well in China, Output 5000mt per year with ISO9002 Certificate. Specification: Content: 98.5%min Fe: 30PPM Phosphate:0.3% max Chloride: 0.01% max SO4:0.006% max Price: Very competitive Uses: using reducer and pestide middle-object, using product nylon builder, plastic stabil-izater synthetic fibrin dibasic Glyphosate, Water transacter ATMP and Potassiam phosphibe.