Zhuyou Mechanical & Electrical Company Zhenkongbeng

Harbin Huaguang Vacuum Equipment Factory Co., Ltd.

Huifeng Mechanical & Electrical Equipment Co., Ltd.

America Ingersoll Rand Compressor

Heilongjiang Xiagong Machinery Sales Co., Ltd.

Harbin Railcom Mechanical & Electrical Equipment Co., Ltd. (Patriotic Materials Apartment Shop)