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

Conventional vs. Overlapping-Hinge Tri-Clamps: Which Is Right for Your Application?


Not all stainless steel tri-clamps are built the same. This article compares conventional center-hinge and overlapping-hinge designs, highlighting their structural differences, cost considerations, and applications in sanitary piping and data center liquid cooling systems. Learn what matters when selecting reliable clamps for CDU piping and coolant distribution assemblies.

11-04

14WI vs. 15WI I-Line Ferrules: Differences, Dimensions & Selection Guide


14WI male and 15WI female I-Line ferrules have different connection profiles and dimensional requirements. This guide compares their key dimensions, explains long and short styles, and shares practical selection tips for sanitary piping, stainless steel assemblies and data center liquid cooling applications.

10-23

Why Do Tri-Clamp Connections Loosen in CDU Liquid Cooling Systems? The Role of the 20° Ferrule Taper Angle


In data center CDU liquid cooling systems, reliable sealing of Tri-Clamp connections is essential. The 20° taper angle on the back of the ferrule flange plays an important role in transferring clamping force and maintaining sealing performance. Drawing on practical manufacturing experience, this article explains how ferrule taper geometry works, how machining deviations may contribute to loosening or leakage, and what quality factors matter for liquid cooling piping systems.

10-14

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

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