北京奥凯立科技发展股份有限公司
Beijing Oilchemleader Science & Technology Development Co., Ltd (OCL) is a national advanced new high-tech company，which established in 2001 and primarily engaged in researching, manufacturing and selling of chemical agent for oil industry while also providing the related engineering & technical services for its clients. Founded in 1985, Weihui Chemical Co., Ltd is the production base of OCL, who committed to the research and production of oilfield chemical products for 40 years.
Our company has the following five series of products: drilling fluid additives, cement slurry additives, oil-recovery additives, acidizing & fracturing additives and water-treatment additives. Our products are sold throughout the major domestic oilfield and export to Russia, Nigeria, Iran, Saudi Arabia, etc, more than 20 countries.
Website：www.ocl.com.cn