Tianjin Yunhai Chemical Industry Co., Ltd is located in Huifengzhongcun Industrial Area, Caigongzhuang town, Jinghai county, Tianjin, founded in August, 1985, covering 16800 square meters with floor area of 9800 square meters. The company is near Tianjin harbour. The convenient transportation, advanced telecommunication, rich human and substance resource together make a solid basis for our development.

　　The company interates production, sales and scientific research, and its main product is sodium pyrosulfite and leucogen，with annual output over 30000 tons. Other products include: anhydrous sodium sulfite、2-naphthol、6 nitryl-1，2-diazo oxonaphthalene-4-mahagony acid、naphthalene diol、acid medium black A、acid medium black T, etc. The products are up to ISO3627 ，and food products are up to GB1893—98. Inspection personnel check the products in production, ensuring finished products are 100% up to standard. 60% of our products are exported to foreign markets, and 40% of them are sold in China. They are welcome in markets.

　　 With the tenet of ensuring quality, seeking perfectness and satisfying customers, relying on excellent products and service, we make progress bravely, innovate incessantly, and play a leading role in 20 years in this trade in China. We sincerely welcome new and familiar customers both at home and abroad to cooperate with us on mutual benifit basis and develop together.