Hebei Kaian Agricultural Machinery Manufacturing Co., Ltd.
Suzhou Sujing Marine Machinery Co., Ltd.
Nagashima Special Paint Co. Ltd.
Anhui Tiger Vitamin Industrial Co. Ltd.
Quaesta Instruments LLC
Jining University
W.H. Dickinson Engineering Ltd.
Yancheng Shengfang Machinery Co., Ltd.
Apv Ortmann & Herbst GmbHGermany
cangzhou normal universityHebei Sheng, China
Chongqing Hongqi Jiexun Wheel Co., Ltd.Chongqing Shi, China
Yangzhou Vocational University