It is a private-owned enterprise developing from the Jiangsu Dantu No.2 Daily Use Chemicals Factory which was jointly owned by Shanghai Ship and Shipping Research Institute. It specializes in the production and sales of products with the brand of BKL, including water treatment reagents, cleanser and oil spill dispersant. The company covers an area of over 20 mu. With strong technical force, it became a designated manufacturer of marine chemicals for China Ocean Shipping Company in 1988 and a designated supplier of chemicals for China National Petroleum Corporation in 1992. The product “BKL 801 circulating cooling water treatment reagent” was judged as the State-level New Product in 1993. In 2008, the company became the integration base of production, teaching and research of Jiangsu University. In 2009, the brand BKL became a Famous Trademark in Zhenjiang City. The major customers of the company includes : China COSCO Shipping Corporation Limited, China Changjiang National Shipping (Group) Corporation, Zhejiang Ocean Freight Corporation, Zhejiang Shipping Company, Ningbo Hongyuan Ship Management Company, Adani Shipping (China) Co. Ltd, Shanghai ATL Shipping Company, Dongdu International Group, Nanjing Ocean Shipping Co. Ltd, etc.