BEIJING OILCHEMLEADER SCIENCE & TECHNOLOGY DEVELOPMENT CO. LTD. (OCL) IS A NATIONAL HIGH-TEC COMPANY, WHICH WAS ESTABLISHED IN 2001 AND WAS PRIMARILY ENGAGED IN RESEARCH, PRODUCTION AND SALES OF CHEMICAL PRODUCTS FOR THE OIL & GAS INDUSTRY, ALSO PROVIDING THE RELATED ENGINEERING & TECHNICAL SERVICES FOR ITS CLIENTS.