Beijing Oilchemleader Science & Technology Development Co., Ltd (OCL) , originating from Henan Weihui Chemicals Industrial Co., Ltd.in the year of 1985£¬is an advanced new high-tech co***ny, established its headquarter in the year of 2001 in Zhongguancun Science Park of Beijing, China and primarily engaged in R&D, manufacturing and sales of chemicals additives for oil industry while also providing the related engineering & technical services for the customers from home and abroad, with over 30years of histor...
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