Mitsubishi Gas Chemical Co., Ltd
Girmes Werke AG
Yunnan Diankai Energy Saving Technology Co., Ltd.
Nantong Runding Arts & Crafts Co., Ltd.
Kunming Bus Manufacturing Co., Ltd.
Zhejiang Teda Valve Co., Ltd.
Beijing Beikong Ever Source Technology Development Co. Ltd.
Jiangsu Dekang Medical Instruments Co., Ltd.
Jiangsu Huayi Zhongheng Metal Technology Development Co., Ltd.
Penko GmbH
Jiangsu Herui Precision Manufacturing Co., Ltd.
Mammoet Engineering BV