2. Siemens is a world-famous manufacturer of industrial automation and electrical equipment, and its valve products enjoy a high reputation in the industrial field.
3. Emerson: the world's leading provider of industrial automation solutions, and its valve products have strong technical strength in the field of fluid control and regulation.
4.Schlumberger: the world's leading oil and gas service company, whose valve products are widely used in the oil and gas industry.
5. wilkerson: A company specializing in the design and manufacture of Velan, whose products cover various types of valves, including ball valves, gate valves and butterfly valves.
6. Suzhou Xinwei Valve Co., Ltd. (trademark: Xinwei)
7. Shanghai Guanlong Valve Machinery Co., Ltd. (trademark: Guanlong)
8. Shanghai Zhong Qi Valve Manufacturing Co., Ltd. (trademark: Zhong Qi)
9. Sanhua Holding Group Co., Ltd. (trademark: Sanhua)
10. Chaoda Valve Group Co., Ltd. (trademark: Chaoda)
1 1. Jiangsu Shentong Valve Co., Ltd. (trademark: Shentong)
12.CNNC Sufa Technology Co., Ltd. (trademark: Sufa)
13. Zhuzhou nanfang valve co., ltd (trademark: nanfang)
14. Jiangnan valve co., ltd. holding group (trademark: Jiang Yi)
15. Jiangsu Su Yan Valve Machinery Co., Ltd. (trademark: Su Yan) is a number of first-line brand manufacturers in the current valve industry, covering many countries and regions and involving many types of valve products.