
Zhengzhou Huanghe Zhonggong Electromechanical Technology Co., Ltd.Henan Sheng, China

Jingmen Hefang Yueda Electronic Technology Co., Ltd.Hubei Sheng, China

Tamron Optical Foshan Co. Ltd.

Chemetron Corp.

Kansai Chemical Engineering Co. Ltd.

Hans Christian Jacobsen

Yantai Taisheng Fine Chemical Technology Co., Ltd.Shandong Sheng, China

Qingdao Naboco Environmental Technology Co., Ltd.Shandong Sheng, China

Fujian Green Energy Environmental Protection Technology Co., Ltd.Fujian Sheng, China

OTB Oberflächentechnik in Berlin GmbH & Co. KGBerlin, Germany

Beijing Century Beking Furniture Co.,Ltd.

Hubei Fuyi Agricultural Machinery Manufacturing Co., Ltd.