China National Petroleum Corporation
SINOPEC
China National Offshore Oil Corporation
Middling coal Ordos Energy and Chemical Co., Ltd
LONGYOU
Zhejiang Petrochemical Co., Ltd
Zhong'an United Coal Chemical Co., Ltd
Add：1 Shuanglun Road, Jingkaiqu District, Weihai, Shandong China.
Tel：+86 631 5788867
E-mail：sep@sepumps.com
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