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State-owned enterprises (in no particular order)

Xiamen Torch Graphene New Material Incubator Co., Ltd.

Chinal Aluminum Lubrication Technology Co.

Guangxi Liugong Machinery Co., Ltd.

Baotou Group Electric Co., Ltd.

China Yituo Group Co., Ltd.

Xiamen Kunlun Petrochemical Co., Ltd.

Luoyang LYC Bearing Co., Ltd.

Jianghan Petroleum Drill Co., Ltd.

Tangshan Iron and Steel Co.

Sinopec Hangzhou Petrochemical Co., Ltd.

Shanxi Chunan Taihang Lubricant Co., Ltd.