Qingdao Siji Industrial Co. Ltd.
Sichuan Dachuan Compressor Co. Ltd.
Tangshan Baokai Technology Co., Ltd.
Beijing Sunshine Technology Research and Technology Development Co., Ltd.
Jiangsu Yanghe New Town New Materials Co., Ltd.
Bijie Xingguo Industrial Co. Ltd.
Jiangsu Jintaibao Machinery Manufacturing Co. Ltd.
Cotron Electronics Ltd.
Huizhou Ledman Optoelectronic Co., Ltd.Guangdong Sheng, China
State Grid Shandong Electric Power Company Sishui County Power Supply CompanyShandong Sheng, China
HWASEUNG Corp.
Zhejiang Zhengji Plastic Industry Co., Ltd.Zhejiang Sheng, China