SJZ Chenghui Chemical Co., Ltd. is located in Shijiazhuang, the capital of Hebei Province, 270km away from the south of Beijing. We mainly export chemical items, four parts consisting of our business.The main business is Sulfanilic acid. we have been mainly engaging in manufacturering and sale in Sulfanilic acid for a more than 20 years, we are the earliest and largest producer in China, our present producing capacity is 10,000mts per year, 70% of our quantity for exporting, and have been selling our product to many areas in the world. Meantime, we cooperate with other factory to produce Optical brighteners, we mainly supply OBA for paper and detergent industry,and is the main producer of OBA for paper and detergent in China, both of our price and quality have advantages. We have been cooperating with some famous international company, such as P&G, Japan Kao cooperation and so on; We also producing Silicate items with our factory together, such as: Potassium silicate, Potassium sodium silicate which is mainly for welding electrode industry.We also have our own trading company to deal with other chemical business. With more many years experience and efforts, Chenghui Chemical has grown to be one of leading companies in the line in China with excellent reputation,and also established the good business relationship with many companies around the world.We always keep in mind of the tenet of "quality & price, professionalism & efficiency, reliability & reputation". We warmly welcome friends from home and abroad to cooperate with us and create a bright future together.