Shanghai Yaotong Electronic Instrument Co. Ltd.
Maoming Aoxin Biotechnology Co., Ltd.Guangdong Sheng, China
Cambridge Sensor Innovation Ltd.Lancashire, United Kingdom
Henan Dayou Energy Co., Ltd. Gengcun Coal Mine
Beijing Tianruixing Solar Thermal Technology Co. Ltd.Beijing Shi, China
Dongguan Macson Electronics Co. Ltd.Guangdong Sheng, China
Ningbo Manhua Electrical Appliances Co. ,Ltd
MICRODYN-NADIR GmbHHessen, Germany
Health Pharmaceutical (China) Co., Ltd.
Hui Jiang,
Witpol Sp zoo
Tianjin Changhao Industrial Co. Ltd.