There are 24 first-line valve brand manufacturers in China:

Suzhou Neway Valve Co., Ltd. (trademark: Neway), Shanghai Guanlong Valve Machinery Co., Ltd. (trademark: Guanlong Dragon), Shanghai Qizhong Valve Manufacturing Co., Ltd. (trademark: Qizhong), Sanhua Holding Group Co., Ltd. (trademark: Sanhua), Chaoda Valve Group Co., Ltd. (trademark: Chaoda), Jiangsu Shentong Valve Co., Ltd. Company (trademark: Shentong), Shanghai Hugong Valve Group Co., Ltd. (trademark: Hugong), Zhuzhou Nanfang Valve Co., Ltd. (trademark: Nanfang), Jiangsu Suyan Valve Machinery Co., Ltd. (trademark: Suyan), Shanghai Lianggong Valve Factory Co., Ltd. (trademark: Lianggong), China Baoyi Group Co., Ltd. (trademark: Baoyi), Zhejiang Feiqiu High and Medium Pressure Valve Co., Ltd. (trademark: Feiqiu), Anhui Tongdu Fluid Technology Co., Ltd. (trademark : Tongdu Fluid), Fujian Fuquan Group Co., Ltd. (trademark: Fuquan), Henan Kaifeng High Pressure Valve Co., Ltd. (trademark: Kaivalve), Hebei Yuanda Valve Group Co., Ltd. (trademark: Yuanda), Shandong Bopump Technology Co., Ltd. (trademark: Yuanda) Trademark: Bo Pump Technology), Sichuan Qianyi Valve Group Co., Ltd. (Trademark: Qianyi), Shaanxi Pacific Valve Co., Ltd. (Trademark: Taiyang), Tianjin Tanggu Watts Valve Co., Ltd. (Trademark: Tanggu Watts), Shenyang Blower Group Automatic Control System Engineering Co., Ltd. (trademark: Shengu), Dalian Dagao Valve Co., Ltd. (trademark: Dagao), Zhejiang Bethel Technology Co., Ltd. (trademark: Bethel).