Guangzhou Yangtai Metal Products Co. Ltd.
Suzhou Yangcheng Lake Modern Agriculture Development Co., Ltd.Jiangsu Sheng, China
Jinan Meites Testing Technology Co., Ltd.
Aizo Group AGSwitzerland
Xuan Cheng Shi Yin He Jie Ju You Xian Ze Ren Gong SiAnhui Sheng, China
G.K.N. SCREWS & FASTENERS LIMITED
Huizhou Research Institute of Sun Yat sen University
Fuzhou Shenghang Sanitary Ware Co., Ltd.Jiangxi Sheng, China
South Air International Co., Ltd.
Etablissements Griset
Huaneng International Power Co. Ltd Dezhou Power Plant
Hebei Leheng Energy Saving Equipment Co., Ltd.