Shanghai Henglin Optoelectronics Technology Co., Ltd.
Friedrich Schroeder GmbH & Co. KG
Qianjiang Yuanda Chemical Co. Ltd.
Marutoku Kigyo KK
Jack Kennedy Metal Products & Buildings, Inc.Illinois, United States
Dean Research Corp.
Henan Xinlong Agricultural and Sideline Products Co., Ltd.
Somiver SRL
Dongguan Weiyuan Electronic Technology Co., Ltd.
Wuhu Tus Vision Information Technologies Co., Ltd.
Shenzhen Shenlongda Electric Co., Ltd.
Tonghua Petrochemical Machinery Manufacture Co. Ltd.