Jiangsu Okay Environmental Technology Co., Ltd.Jiangsu Sheng, China
Nantong Huadan Trading Co., Ltd.Jiangsu Sheng, China
Jinhua Meichen Trading Co., Ltd.
Anhui Shidong Energy Technology Co., Ltd.
QUATIUS LIMITED
The PI TrustUnited Kingdom
Dalian Yudu Environmental Technology Materials Co., Ltd.Liaoning Sheng, China
Shanghai Hirano Magnetic Co., Ltd.Shanghai Shi, China
Chengdu Diyou Medical Technology Co., Ltd.Sichuan Sheng, China
Guilin Guanglong Optical Technology Co., Ltd.
Shenzhen TCL New Technology Co., Ltd.
Fujian Lanrui Construction Machinery Co., Ltd.