2. Shanghai Guanlong Valve Machinery Co., Ltd. (trademark: Guanlong)
3. Shanghai Zhong Qi Valve Manufacturing Co., Ltd. (trademark: Zhong Qi)
4. Sanhua Holding Group Co., Ltd. (trademark: Sanhua)
5. Chaoda Valve Group Co., Ltd. (trademark: Chaoda)
6. Jiangsu Shentong Valve Co., Ltd. (trademark: Shentong)
7.CNNC Sufa Technology Co., Ltd. (trademark: Sufa)
8. Zhuzhou South Valve Co., Ltd. (trademark: South)
9. Jiangnan Valve Co., Ltd. Holding Group (trademark: Jiang Yi)
10, Hebei Yuanda Valve Group Co., Ltd. (trademark: Yaozi)