Service Hotline:+86 178 1676 8780   E-Mail:sales1@cnrrsteel.com   CN

120

CNC machine tools(Set)

30000+

Daily Output of AI/Data Center Liquid Cooling (CDU) Adapters

4000+

Annual Output (Tons)

±0.002mm

Maximum Machining Precision

ABOUT RUIRUI STAINLESS STEEL (RR STEEL)
Wenzhou Ruirui Stainless Tube Co., Ltd. (RR STEEL) is a leading China-based manufacturer specializing in high-purity stainless steel sanitary valves, tri-clamps, fittings, unions, flanges, and precision CNC components. Powered by 120+ advanced CNC machining units and strict 100% PMI material inspection (SS316L), we provide high-precision OEM/ODM solutions engineered for zero-leakage performance. We serve global stocking distributors and system integrators across mission-critical industries, including Data Center Liquid Cooling (CDUs & Manifolds), food & beverage, dairy, biopharmaceutical, and chemical processing. From standard high-volume inventory to custom-engineered parts machined to ±0.002mm tolerance, RR STEEL helps global clients build reliable, traceable supply chains with consistent quality and on-time delivery.

Why Choose Us

  • 01

    High cost-effectiveness

    Since the establishment of the factory, we have offered products of superior quality at competitive prices, and have thus gained the recognition of numerous customers.

  • 02

    Support customization

    With many years of industry experience, we have an excellent technical team.
    We can customize products according to the customers' requirements, either by drawing or by sample.

  • 03

    Strict quality inspection

    100% PMI Material Testing & Pressure Test (SS316L guaranteed with full MTR traceability).

  • 04

    High-precision CNC machining

    120+Precision CNC Machining with ±0.002mm tolerance for CDU & Process industries components.

  • 05

    Logistics efficiency

    We have a powerful warehousing center and stable logistics partners.
    Our product range is comprehensive and the delivery is prompt.

  • 06

    One-stop service

    Our sales team is available 24/7 to ensure prompt responses to your inquiries,
    and to provide professional advice and considerate after-sales service.

Industries

New energy
New energy
Brewing and beverages
Brewing and beverages
Data Center Liquid Cooling (CDU & Manifolds)
Data Center Liquid Cooling (CDU & Manifolds)
Biopharmaceuticals
Biopharmaceuticals
Water Treatment
Water Treatment
Food
Food
Fine chemicals
Fine chemicals
Semiconductor
Semiconductor

RR Steel at Data Centre World Asia 2026: Data Center Liquid Cooling Components


RR Steel showcases stainless steel piping, fittings and custom components for data center liquid cooling and CDU systems at Data Centre World Asia 2026 in Singapore. Visit Booth W40.

09-29

RR Steel Arrives in Singapore for Data Centre World Asia 2026


RR Steel is on site in Singapore preparing for Data Centre World Asia 2026. Visit us at Booth W40 on September 29–30 to explore stainless steel liquid cooling components, I-Line connections, manifolds, fittings and custom solutions for data center cooling systems.

09-28

3 Common Sourcing Pitfalls in Sanitary Fittings: SMS vs. DIN 11850 vs. DIN-Inch


Learn how to avoid costly downtime and fitting incompatibilities. Our technical guide breaks down the critical differences between SMS, DIN 11850 Metric, and DIN-Inch sanitary fittings, seals, and laser markings.

09-09

Installation environment and precautions of vacuum ball valve


The installation environment and precautions of the vacuum ball valve are crucial to the normal operation and service life of the valve. The following are the environmental factors and precautions that need to be considered when installing vacuum ball valves:

09-30

What are the characteristics of the demand for sanitary pipe fittings in the food processing industry?


The demand for sanitary pipe fittings in the food processing industry has the characteristics of high hygiene standards, corrosion resistance and high temperature resistance, sealing and fluid resistance, standardization and compatibility, and easy installation and maintenance. These requirements ensure the quality and safety of products in the food processing process, and improve production efficiency and economic benefits.

09-30

Contact us
Wenzhou Ruirui Stainless Tube Co., Ltd.
No. 2856, Yongqiang Avenue, Shacheng Street, Longwan District, Wenzhou City, Zhejiang Province
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