Zheng Yang
R&F Chemical Co. Ltd.
Jiangsu Shitong Instrument Testing Service Co., Ltd.
Shenzhen Mopu Electronic Technology Co., Ltd.
Hengyang Taiyuan Commercial Concrete Co., Ltd.
Sichuan Chuanjing Clean Technology Co., Ltd.
Dongguan Jingyi Hardware Co. Ltd.
Wester Hailes Land & Property Development Co. Ltd.
Suzhou Agix Optical Technology Co. Ltd.
Kaiyuan kaiFeng machinery Co.,Ltd.
Zhejiang Shengshan Technology Textile Co. Ltd.Zhejiang Sheng, China
Checkfluid, Inc.Ontario, Canada