Dongguan Lingyi Precision Manufacturing Technology Co., Ltd.
Zhejiang Xinzi Precision Machinery Co., Ltd.
Beijing Weilanshi Technology Co., Ltd.
Changsha Zhiyuan Technology Co., Ltd.
Chongqing Guangneng Wanxi Technology Co. Ltd.Chongqing Shi, China
Liaoning Xinrui Carbon Material Technology Co., Ltd.
Shanghai Hengyuan Macromolecular Materials Co., Ltd.
Dandong Danyin Mining & Metallurgy Co. Ltd.
Wu Xi Zhong Wei Jing Yuan Dian Zi You Xian Gong SiJiangsu Sheng, China
Gw Technology Co., Ltd.Beijing Shi, China
BMT International SA
Langzhi Group Wanrong Pharmaceutical Co.,Ltd.