Chongqing Chuandong Shipbuilding Industry Co., Ltd.Chongqing Shi, China
Anhui Dongbao Industrial Co. Ltd.
Xiangtan Yifeng Die Making Co. Ltd.Hunan Sheng, China
Jiashan County Weitang Asset Management Co., Ltd.
Hunan Yuanxin Photoelectric Technology Co., Ltd.Hunan Sheng, China
Chengdu Longquanyi District Qisheng Machinery FactorySichuan Sheng, China
Zhejiang Weixiang Technology Group Co., Ltd.Zhejiang Sheng, China
DvoUnited States
Wenzhou Institute of Technology
Longyan Ruihua General Machinery Co. Ltd.
Vitalitec International, Inc.Massachusetts, United States
Huimeng Power Technology Co., Ltd.