Hangzhou Tonghe Chemical Co., Ltd. focuses on the production and operation of phosphate products, has a production base and a complete product line in Yunnan-Guizhou region, where high-grade phosphate and non-ferrous metal ores are enriched, especially in the aspects of potassium phosphate and small varieties of metal salts. The product quality is comparable to Europe and the United States, and fully meets or exceeds the national standard, RoHS and FCC standards. And in the EU REACH pre-registration.
We can provide various specifications of products according to the different needs of customers to achieve the true sense of industrial customization. Products have been recognized and accepted by users in the industry, we will be environmentally friendly, good faith, good service and customer exchanges and cooperation.
The main products are: potassium pyrophosphate, potassium tripolyphosphate, copper pyrophosphate, stannous pyrophosphate and other potassium phosphate, sodium phosphate, other phosphate and water treatment.
Our products are used in food industry, water treatment, electroplating and surface treatment, etc.
The products mainly include potassium pyrophosphate, copper pyrophosphate, stannous pyrophosphate, potassium tripolyphosphate and other chemicals.