Heng Chang, PhD
Jiang Yin Su Yuan Hua Ming Dian Qi She Bei You Xian Gong SiJiangsu Sheng, China
Shenzhen Dushenyan Technology Co., Ltd.
Shenzhen Moruo Zhiyuan Technology Co., Ltd.Guangdong Sheng, China
GTE International, Inc.Texas, United States
Xiamen Clarion Electrical Enterprise Co., Ltd.
Jiangsu Hengxin Quartz Technology Co., Ltd.Jiangsu Sheng, China
Zhangjiagang Ruide Shunda Machinery Co., Ltd.
Dongguan Kaide New Energy Co., Ltd.Guangdong Sheng, China
Tool, Inc.Massachusetts, United States
Shao Yu Li
Xuchang Hongchang Industrial Co., Ltd.