Shanghai Datong Automatic Control Equipment Co. Ltd.
GRAND RICHEST LIMITED
Hunan Valin Cable Co., Ltd.
Beijing Hongxing Co. Ltd.
Jinan Water Supply and Drainage Monitoring Center
Maruto Kogyo KK
Gunther Richard Meyer
Fujian Wide Plus Precision Instruments Co. Ltd.
Shenzhen Liangkeshu Technology Co., Ltd.
Agricultural Research Institute in China
RD Europe Ltd.
Rolf Andersson