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COSL Headquarters
Time：2017-07-07 Size：[ Large Medium Small ]
COSL Headquarters

Haiyoudajie 201#, Yan Jiao Economic Development Zone, Sanhe city of Hebei province, P. R. China 065202

Mr.Fang Guoyin

Tel: +86-10-8452 2046

Email: COSLMarketing@cosl.com.cn

COSL Headquarters_中海油田服务股份有限公司