PetroChina Lubricant Company

Qingdao Topscomm Communication Co., Ltd.

Lucky Film Company Limited

Tianjin Zhongdian Celestial Science and Technology Co., Ltd.

Chengdu Dahongli Machinery Co., Ltd.

Nantong BESALL Sealing Technology Company., Limited

SHANGHAI BOILER WORKS CO., LTD.

MirShine Environmental Protection Technology Co., Ltd.

Shanghai Hoto Engineering Inc.

CHANGZHENG ENGLINEERING CO., LTD.

Chonfar Engineering and Technology Co., Ltd.

Qingdao Changlong Heavy Equipment Co., Ltd.

Chongqing Rongneng Mechanical＆Electrical Equipment Co., Ltd.

Jiamusi Electric Machine Co., Ltd.

Shandong Huaning Electric Tracing Technology Co.,Ltd.

Xinxiang SIMO Blower Co., Ltd.

Guangxi Senhe High Technology Co., Ltd.

Kaifeng Air Separation Group Co., Ltd.

Henan Quanshun Flow Control Science & Technology Co., Ltd.

Beijing AMAX Heat Transfer Equipment Manufacturer Co., Ltd.

Shandong Boyu Heavy Industry Technology Group

Shandong Shengbao Heat Transfer Technology Co., Ltd.

Dongfang Boiler Co., Ltd.

Shenzhen Smida Electronic Co., Ltd.

FUJIAN JUNGIE NEW MATERIALTECHNOLOGY CO., LTD.

Jinan Heavy industries Group Co., Ltd.

ShenGu Group Co., Ltd.

Guizhou Juneng Century Technology Co., Ltd.

Baoji Taicheng Metal Co., Ltd.

Hangzhou Oxygen Plant Group CO., Ltd.