
Hunan CRRC Shangqu Electric Co., Ltd.Hunan Sheng, China

Jinggong Industrial Building Systems Co. Ltd.China

Meloh Armaturen Gmbh

Chuzhou Natural Space Building Materials Co., Ltd.Anhui Sheng, China

Dong Tai Quan Industrial Co., Ltd.

Ofess LtdUnited States

Beijing Saibo Yunrui Intelligent Technology Co., Ltd.Beijing Shi, China

Guangzhou Aoyi Materials and Devices Research Institute Co., Ltd.Guangdong Sheng, China

Suzhou Jinqu Fashion Co.,Ltd.

Wenzhou Ouhai Louqiao Kangcheng Lock FactoryZhejiang Sheng, China

Golden Root Co., Ltd.

Chengdu Kaishengjie Technology Co., Ltd.Sichuan Sheng, China