
Dongguan Tuobang Screw Co. Ltd.

Jian Ming Luan

Yong Cui, PhD

Suzhou Oukangxin Intelligent Equipment Co., Ltd.Jiangsu Sheng, China

Qingdao Zhenyu Steel Structure Co., Ltd.Shandong Sheng, China

Shandong Jiyang Machine Works

Nmkv Co., Ltd.Tokyo-to, Japan

Net Insight Intellectual Property ABSweden

MVP (H.K.) Industries Ltd.China

Shandong Golden Sunshine Building Materials Co., Ltd.Shandong Sheng, China

Shanghai Haixing Valve General FactoryShanghai Shi, China

J.C. Technologies Ltd.