Our factory located in Guizhou province, southwest of China, this is a professional stpp factory. Our main products are sodium tripolyphosphate(techgrade) and phosphoric acid(foodgradetech grade). The output of stpp is over 80000mt every year, and the output of phosphoric acid is on or about 30000mt annually. Our customers are covered in Europe and south America and mid east and southwest of Asia and south Asia and so on.