Changsha Zhiwei Electronic Technology Co., Ltd.Hunan Sheng, China
Hunan Yuanchuang Precision Technology Co. Ltd.
Hubei Bimei New Energy Technology Co., Ltd.Hubei Sheng, China
Shanghai Dijiu Towel Co. Ltd.Shanghai Shi, China
Haining Smart Optoelectronics Co., Ltd.Zhejiang Sheng, China
Shenzhen Helian International Precision Co., Ltd.Guangdong Sheng, China
Crystal Semiconductor Co., Ltd.Sichuan Sheng, China
Fujian Heng'an Group Co. Ltd.
Controlamatics Corp.United States
David Kopf InstrumentsCalifornia, United States
Guangzhou Sunde Medical Technology Co., Ltd.Guangdong Sheng, China
Nanjing Academy of Environmental Protection Sciences