PRODUCT CLASSIFICATION

Ductile Iron Valve
Cast iron valves are mainly divided into two valve body materials, one is pig iron and the other is ductile iron. Most of the valve materials used in water supply and drainage are now made of ductile ...
Stainless Steel Valve
Stainless steel valves are mainly divided into 304 and 316L materials. 304 stainless steel valves have good corrosion resistance, but have poor performance in humid and polychloride ion environments, ...
Cast Steel Valve
Cast steel valves have relatively good toughness and have a certain impact resistance under some working conditions. Their temperature and pressure resistance are better than those of cast iron valves...
Fluorine Lined Valve
Fluorine-lined valves are processed with fluorine-lined materials. They are corrosion-resistant, acid-alkali-resistant, high-temperature-resistant, wear-resistant, and have a long service life. Can be...
Copper Valve
Copper valves are valves made of copper and are industrial parts. The manufacturing process was developed in Ningbo, Zhejiang Province in China. In the early 1980s, Ningbo, Zhejiang Province took the ...

Product classification

About CHANGSHUI

Bring CHANGSHUI Next New Product to Market

CHANGSHUI

is a

Check Valves Manufacturers and Butterfly Valve Factory in China

with decades of experience and expertise in providing comprehensive valve solutions for water systems. Our advanced valves and other technologies are designed to solve complex challenges across industries and ensure efficient, reliable and safe operation.

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01

High-cost performance

With a geographical location and a capable management team, the company reduces transportation and labor costs.
02

Product supply

The company has sufficient production capacity and high control over the price, quality and stable supply of raw materials, laying the foundation for continuous production.
03

24h service

The company has always adhered to seamless docking services and has carefully built an after-sales service team composed of technical backbones to implement round-the-clock tracking services.

High-cost performance

APPLICATION INDUSTRY

Metallurgy
The mines
Oil
Chemical Industry
Natural gas
Power Station
Food
Paper making

23/2026/04 Needle Valve Symbol Explained: P&ID Meaning, Variants & Applications
What Is the Needle Valve Symbol? The needle valve symbol is a standardized graphical notation used in piping and instrumentation diagrams (P&IDs) to represent a valve designed for precise, incremental flow control. ...
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23/2026/04 Needle Valve Symbol Explained: P&ID Meaning, Variants & Applications
What Is the Needle Valve Symbol? The needle valve symbol is a standardized graphical notation used ...
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Welcome To Visit Us

Address1: Building 3, No.1738 Daming North Road, Tianning District, Changzhou City, Jiangsu Province, China
Address2: No.88, Huanghe East Road, Xinbei District, Changzhou City (No.9, Building 13, Jiangnan Hardware and Electrical City)

Contact

Phone: +86-0519 8535 0795
E-mail: [email protected]
Sales Department 1: +86-137 7522 9968 (wechat), Manager Ye
Sales Department 2: +86-139 6143 6889 (wechat), Manager Su
Sales Department 3: +86-137 7689 5579 (wechat), Manager Su
Sales Department 4: +86-137 7685 5599 (wechat), Manager Ye

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Changshui Technology Group Co., Ltd.