Dongzheng Railway Factory Co., Ltd
Shaanxi Academy of Building Research Co., Ltd.
Chemtex Italia SRL
Huaihua Hongjiang Hengchang Germanium Technology Co., Ltd.
Hangzhou Aoke Filtration Technology Co., Ltd.
Jiangsu Jiayi Lighting Technology Co., Ltd.
Donghua Tianze Ecological Technology Co., Ltd.
Habo Penslar AB
JWI Ltd.
Foshan Bema Lighting Technology Co., Ltd.
Acri Tec GmbH
Technical (Putian) Machine Co., Ltd.