Enter Ruirui

Precision Stainless Steel Components for Fluid Processing Systems

Wenzhou Ruirui Stainless Tube Co., Ltd. (RR Steel) is a stainless steel manufacturer specializing in sanitary fluid handling components, precision fittings, valves and custom CNC-machined parts for global industrial and hygienic processing applications.

Stainless Steel Products

RR Steel manufactures and supplies a broad range of stainless steel products, including sanitary fittings, valves, clamps, ferrules, unions, adapters, sight glasses, flanges, threaded fittings, vacuum fittings, pumps and custom CNC-machined components.

Our products are used in sanitary piping, process equipment, fluid distribution and industrial connection systems. Standard products and customized components are available according to customer drawings, samples and application requirements.

Data Center Liquid Cooling Components

RR Steel also manufactures precision stainless steel components for data center liquid cooling systems, including I-Line clamps and ferrules, adapters, hose barb fittings, manifolds, manifold assemblies and custom liquid cooling components.

With CNC machining and customized manufacturing capabilities, we support components for coolant distribution units (CDUs), distribution piping, manifolds and other liquid cooling infrastructure.

Industries We Serve

Our stainless steel components are supplied for a wide range of industries and applications, including:

• Data Center Liquid Cooling

• Food and Beverage Processing

• Dairy Processing

• Pharmaceutical and Biotechnology

• Brewing and Beverage Equipment

• Hygienic and Process Piping

• Industrial Fluid Handling

• OEM Equipment and Custom Manufacturing

Manufacturing Capabilities

RR Steel combines CNC machining, machining centers, polishing, assembly and inspection capabilities to manufacture both standard and customized stainless steel components.

Our manufacturing capabilities support high-volume production as well as OEM and custom projects requiring specific dimensions, connection types, surface finishes and component configurations.

Materials and Surface Finish

Products are available in stainless steel 304, 304L, 316L and other materials according to application requirements. Sanitary components can be supplied with different internal and external surface finishes according to hygiene and process requirements.

Quality Control

Quality control is integrated throughout material inspection, machining and final inspection. Our inspection capabilities include PMI material verification, spectrometer analysis, dimensional inspection, hardness testing, wall thickness measurement, tensile testing and CMM inspection according to product and project requirements.

Standards and Custom Manufacturing

RR Steel manufactures products according to applicable customer and industry requirements, including ASME BPE, 3-A, ISO, DIN, SMS, IDF and other specifications where applicable.

In addition to standard products, we provide OEM and custom manufacturing based on customer drawings, samples, dimensions, materials and application requirements.

Global Supply and OEM Support

RR Steel works with distributors, OEM manufacturers, system integrators, engineering companies and equipment manufacturers in international markets. From standard stainless steel components to custom-machined parts and assemblies, our goal is to provide consistent manufacturing, quality control and responsive supply support for long-term cooperation.