Tangshan Sanjiang Chemical Co., Ltd. which is located in Nanpu Economic Development Zone of Tangshan in China is a specialized manufacturer and exporter of sodium metabisulfite, ammonium thiocyanate, sodium sulfite and other chemical products. Now, our company covers an area of 14600 square meters and has 130 employees. Our company was established in 1998 and the former name is Tangshan Hongruida Co., Ltd. So we have been in this line for more than ten years. With the development of technology and renewal of equipment, our scale became bigger and bigger, then we changed the name to Tangshan Sanjiang Chemical Co., Ltd. in 2004. So far, our company is already an economic entity integrating scientific research, production, sale and technical service, with strong technical power and rich experience. We sincerely welcome all the people from at home and abroad to visit and cooperate with us. We will provide you with high quality products and the best services and step forward to our mutua