Beijing Yongxing Jingjia Instrument Co., Ltd.
Tianjin Demei Steel Pipe Co. Ltd.
Suzhou Huaning Machinery Manufacturing Co., Ltd.
Zhejiang Zhimao Intelligent Technology Co., Ltd.
Sonovision, Inc.
Chongqing Huashu Robot Co., Ltd.Chongqing Shi, China
Dongying Tieren Sucker Rod Co. Ltd.
John Davidson,
Green Energy Battery Co., Ltd.
Jiangsu Zhonggang Metallurgical Equipment Technology Co., Ltd.
Heinrich Bauer GmbH & Co. KG
Wangja NHC Co. Ltd.