Subordinate to Shengli oil Field Dongsheng Group, Shengli Oil Field Dongsheng Starrefine Chemical Co., Ltd. is a cooperative joint-stock enterprise specialized in the production of纬-butyrolactone, pyrrolidone series products, n,n-dimethylaniline and other fine chemicals.

The company was established in 2000, with a registered capital of 4.14 million RMB yuan, total assets of 81 million RMB yuan and 220 employees. Keeping to the spirit of "Keep improving, hardworking", and upholding the idea of "Quality + credit + services", we are striving to establish a brand-name image to survive the fierce global competitions.

Our company is located in Dongying City near Dong-Qing Expressway in Shengli Oil Field in Yellow River Delta. It occupies a floor area of 175 mu, enjoys convenient transport and boasts advanced physical distribution system; presently, the company owns advanced equipments, which are capable of the annual production of 10,000 tons of纬-butyrolactone, 6,000 tons of pyrrolidone, and 6,000 tons of N,N-Dimethylaniline, with an production value reaching 180 million RMB yuan. We are ready to provide high-quality products and effiecient services to meet the different needs of customers. And we hope make friends with people from around the world for mutual development.