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PetroChina Planning Institute

Tangshan Sanyo

China Aluminum Industry Zhongzhou Branch

PetroChina (Beijing) Technology Development Co., Ltd.

Jilin Alcohol

Hebei Yizhong Energy Xingtai Mining Group

PetroChina Ocean Engineering Co., Ltd.

EMS System Engineering of Nantong Acetic Acetate Tablets

Gold extraction and smelting in Hengbang, Shandong Province

Offshore Oil Fukushima Co., Ltd.

Zhengxin Rubber (China) Co., Ltd.

Inner Mongolia Yize Mining Investment Co., Ltd.

Shanxi Yanchang Petroleum Company

Jiaozuo Polyfluoride Polychemical Industry

Qingdao Anbang Refining and Chemical Industry

Shanxi Future Energy

Kaixiang Fine Chemical Industry, Henan Province



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