Tianda Holding Group Co., Ltd
Jinzhong Jingwei Yuxin Machinery Co., Ltd.
Foshan Kaibo New Material Technology Co., Ltd.
Shandong Agricultural Machinery Research Institute
Tanaka Seishi Kogyo KK
College of Engineering Technology, Chengdu University of Technology
Shangyou Jiayi Lighting Product Co., Ltd.
Toshiba Electronic Engineering Corp.
Jingjiang Alloy Steel Machinery Factory
DYK Prestressed Tanks, Inc.
Hubei Anmian Textile Co. Ltd.
Zhejiang Keyong Chemical Co. Ltd.Zhejiang Sheng, China