次磷酸

Beijing Pengsiyuan Chemical Co., Ltd. is referred to as PSY for short,which was founded in 2002. From founding, We devote to exporting our chemicals worldwidely.Now we have kept long stable export relationships with many foreign customers. Our main products include Inorganic chemicals, Organic chemicals and others. With advanced technical force, modern management and competitive human resource, our company has become a leading chemicals manufacurer and exporter in China. We can provide our customers goods in competitive price with high quality. We believe in customers first and en