Jiangsu Pacific Quartz Co., Ltd.
Hubei Xingrui Silicon Materials Co., Ltd
Ningbo Exem New Materials Co., Ltd
Mountain Tokyo Bo Petrochemical Co., Ltd. Rubber Branch
China Petroleum & Chemical Corporation North China Oil and Gas Branch
China Petroleum & Chemical Corporation Shengli Oilfield Branch
CNOOC (China) Co., Ltd. Shenzhen Branch
CNOOC (China) Co., Ltd. Tianjin Branch
China Petroleum & Chemical Corporation North China Oil and Gas Branch
All rights reserved：OMH SCIENCE Group Co.,Ltd.
Record number：Jin ICP No.12001603
Technical Support：Long Cai Technology (Shanxi) Co., Ltd.
All rights reserved：OMH SCIENCE Group Co.,Ltd.
Record number：Jin ICP No.12001603
Technical Support：Long Cai Technology (Shanxi) Co., Ltd.
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