
Shanghai Tunnel Engineering Quality Inspection Co., Ltd.

Xinengke Electric Co., Ltd.

Guangzhou AVIC Environmental Protection Technology Co., Ltd.Guangdong Sheng, China

Sichuan Senhairun Environmental Management Co., Ltd.Sichuan Sheng, China

Zhejiang Zhongzheng Geotechnical Technology Co., Ltd.Zhejiang Sheng, China

Wenling Electric Power Insulation Equipment Co., Ltd.Zhejiang Sheng, China

Large Engineering Technology Co., Ltd.Guangdong Sheng, China

Institute of New Materials, Guangdong Academy of Sciences

Anhui Hanxin Environmental Protection Technology Co., Ltd.Anhui Sheng, China

CompX FortIllinois, United States

Zhejiang Cixin Machinery Co., Ltd.Zhejiang Sheng, China

Shandong Yixing Mingyuan New Material Co., Ltd.Shandong Sheng, China