Hangzhou TongVo Chemicals

"We specialize in the research and production of phosphates. With production base in Yunnan and Guizhou which has abundant resources of high quality phosphate rock and non-ferrous metal ore, we have complete product line of potassium phosphates and precious metal salts. Our main products are phosphorous acid, potassium pyrophosphate, potassium tripolyphosphate, sodium acid pyrophosphate, sodium tripolyphosphate. The quality of our products is up to US-EU standard such as RoHS, FCC and etc., and got REACH pre-registration. We can offer industrial customization and supply various specifications according to customers' requirements."