Ningbo Yuxin Pneumatic Co., Ltd.
Shanghai Ritai Valve Group Co., Ltd.
Taizhou Chenming Automation Technology Co., Ltd.
Shanghai Juliang Valve Group Co., Ltd.
Shenzhen Yongcheng Pneumatic Hydraulic Co., Ltd.
Zhejiang Guanli Valve Co., Ltd.
Wenzhou Shuangzhan Machinery Co., Ltd.