Koiwai Co. Ltd.
Liaoyang Petroleum Steel Pipe Manufacturing Co. Ltd.
Bumnong Co. Ltd.
Zhejiang Tongshi Auto Parts Co., Ltd.
Suzhou Jingzhou Equipment Technology Co., Ltd.
Jiangsu Yangcheng Auto Parts Co., Ltd.
Suzhou Ruikang Vacuum Technology Co., Ltd.
Jiangsu Kanghe Biopharmaceutical Co., Ltd.
Changzhou Bomei New Material Technology Co., Ltd.
Shenyang Zhongrui Machinery Co. Ltd.
Zhejiang Quark Biotechnology Co., Ltd.
Zehntel, Inc.