1. Sanhua Holding Group Co., Ltd. (Trademark: Sanhua)

2. Zhuzhou Nanfang Valve Co., Ltd. (Trademark: Nanfang)

3. Zhejiang Chaoda Valve Co., Ltd. (Trademark: Chaoda)

4. CNNC Suvalve Technology Industrial Co., Ltd. (Trademark: CNNC Suvalve)

5. Kaiweixi Valve Group Co., Ltd. (Trademark: Kaiweixi)

6. Sichuan Zigong High-Pressure Valve Co., Ltd. (Trademark: Zigong)

7. Guangdong Mingzhu Group Co., Ltd. (Trademark: Mingzhu) )

8. China Liangjing Group Valve Co., Ltd. (trademark: Liangjing)

9. Gansu Hongfeng Machinery Co., Ltd. (trademark: Hongfeng)

10. Shanghai Lianggong Valve Factory (trademark: Lianggong)

Extended information:

Valves are used to open and close pipelines, control flow direction, adjust and control the parameters of the conveyed medium ( temperature, pressure and flow). According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc.

Valve is a control component in the fluid transportation system. It has the functions of cutting off, regulating, diversion, preventing reverse flow, stabilizing pressure, diverting flow or overflow pressure relief. Valves used in fluid control systems range from the simplest stop valves to various valves used in extremely complex automatic control systems, with a wide range of varieties and specifications.

Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. According to the material, valves are also divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, duplex steel valves, plastic valves, non-standard customized valves, etc.

Reference: Valve_Baidu Encyclopedia