China National Tire & Rubber Co.,Ltd.
China National Chemical Corporation
China National Nuclear Corporation
China Aerospace Science and Industry Corporation
China Huadian Corporation
Sino Steel
Sinopec Group
Baic Motor
BYD Automotive
Chengdu Chengliang Tools Group Co., Ltd.
Dongbei Special Steel Group Co., Ltd.
Guilin Precision Measuring Tool & Instrument Co., Ltd
