
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