
Qingdao Hedi Industrial Group Co., Ltd.Shandong Sheng, China

Beijing Guangrui Machinery Manufacturing Co., Ltd.Beijing Shi, China

Beijing Huake Hengsheng Medical Technology Co., Ltd.Beijing Shi, China

Hebei Shangshan Petroleum Machinery Co., Ltd.Hebei Sheng, China

Zhong An (Tianjin) Aviation Equipment Co., Ltd.Tianjin Shi, China

China Railway Research Institute Co., Ltd.Sichuan Sheng, China

Dongguan Mingda Adhesive Products Co., Ltd.Guangdong Sheng, China

Jiangyin Delong Energy Equipment Co., Ltd.

Zhongke Baocheng Biomedical Technology Co., Ltd.Shanghai Shi, China

Hebei Zier New Material Technology Co., Ltd.Hebei Sheng, China

Jiangsu Xinding New Material Co., Ltd.Jiangsu Sheng, China

Daji Laser Technology (Shenzhen) Co., Ltd.Guangdong Sheng, China