Jiyuan Ruilin Metal Material Co., Ltd.

Jiyuan Ruilin Metal Material Co., Ltd. was established in 2007 and is headquartered in Jiyuan, Henan Province, China. The company is a professional supplier specializing in steelmaking, metallurgy and metal processing, providing rolling mill equipment, critical rolling mill components, tube production equipment and related spare parts.

Ruilin serves manufacturers of steel, aluminum, copper and other metal products. Its products are applied across production lines for flat products, hot-rolled coils, cold-rolled strip, round steel, bars, rebar, wire rod, sections and other rolled metal products. The company also provides key production equipment, tooling and consumable spare parts for ductile iron pipe and hot-rolled seamless steel pipe production.

Leveraging the industrial capabilities of Jiyuan and surrounding regions in special steel, casting, forging, heat treatment and heavy-duty machining, Ruilin integrates specialized manufacturing resources to provide an integrated service covering technical evaluation, material selection, process design, manufacturing, quality inspection, export packaging and delivery coordination.

The company can manufacture replacement components according to customer drawings and technical specifications. It can also develop targeted material and manufacturing solutions based on rolling mill configuration, rolled products, production processes, operating conditions and the failure characteristics of components.

Main Business Areas

1. Metal Rolling Equipment and Critical Components

For steel, aluminum, copper and other metal rolling lines, Ruilin provides rolling mill rolls, transmission components, auxiliary rolling equipment and heavy-duty mechanical components for hot rolling, cold rolling and finishing operations involving flat products, bars, wire rod, rebar, sections and other products.

Main products include:

• Work rolls, backup rolls, intermediate rolls, vertical rolls, guide rolls, straightening rolls and other specialized rolls;

• High-speed steel rolls, high-chrome steel rolls, high-chrome cast iron rolls, indefinite chill cast iron rolls, ductile iron rolls, semi-steel rolls and forged steel rolls;

• Universal joint shafts, rolling mill spindles, gear couplings, gear shafts, coiler shafts and transmission shafts;

• Bearing housings, guide equipment, wear-resistant plates, roller table components and other rolling mill spare parts;

• Custom-made cast steel components, forged steel components and heavy-duty precision-machined parts manufactured according to customer drawings.

2. Ductile Iron Pipe Production Equipment and Tooling

For centrifugal casting and downstream processing lines for ductile iron pipes, Ruilin supplies forged pipe molds, components for centrifugal pipe casting machines and production line spare parts.

Main products include:

• Water-cooled metal molds for centrifugal casting of ductile iron pipes;

• Forged pipe molds for hot-mold and water-cooled centrifugal casting processes;

• Support rollers, carrying rollers and transmission components;

• Tooling and mechanical spare parts for centrifugal pipe casting equipment;

• Heat-resistant, wear-resistant and heavy-duty components manufactured according to customer drawings.

3. Hot-Rolled Seamless Steel Pipe Equipment and Critical Spare Parts

Ruilin provides critical tooling and consumable components for hot-rolled seamless steel pipe production lines, covering piercing, continuous rolling, sizing, reducing, straightening and finishing operations.

Main products include:

• Rolls for piercing mills, continuous rolling mills, sizing mills and reducing mills;

• Mandrels for PQF, MPM and other seamless pipe continuous rolling mills;

• Connecting rods, extension rods, tail rods and related connection components;

• Sizing rolls, reducing rolls, straightening rolls and guide components;

• Piercing plugs, guide shoes and other high-temperature wear-resistant tooling;

• Mechanical spare parts for seamless pipe rolling and finishing equipment.

Manufacturing and Quality Control

Through a combination of in-house capabilities, joint manufacturing operations and long-term manufacturing partnerships, Ruilin has established an integrated supply system covering casting, forging, heat treatment, welding, heavy-duty machining and precision inspection.

According to the material, structure and operating conditions of each product, Ruilin matches projects with specialized manufacturing units equipped with the appropriate production capabilities and technical expertise. This approach helps ensure that products meet customer requirements for mechanical properties, internal quality, dimensional accuracy, surface quality and operational stability.

Each project is subject to appropriate quality control procedures based on the customer's technical specifications, including:

• Raw material and heat/lot number traceability;

• Chemical composition and mechanical property testing;

• Heat treatment process and manufacturing route control;

• Dimensional, geometrical tolerance and surface quality inspection;

• Hardness and hardness gradient testing;

• Non-destructive testing, including ultrasonic, magnetic particle and penetrant testing;

• Manufacturing process records and quality documentation management.

Upon customer request, Ruilin can provide material certificates, inspection reports, heat treatment records and non-destructive testing reports. Customer representatives or independent third-party inspection agencies can also be arranged for in-process witnessing and final inspection.

Global Service

Ruilin's products have been supplied to customers across multiple provinces, cities and autonomous regions in China, as well as exported to markets in North America, South America, the Middle East, Russia and the CIS, South Asia and Southeast Asia.

The company is familiar with the requirements of international industrial trade, including technical clarification, drawing approval, quality documentation, third-party inspection, export packaging and project delivery coordination. Ruilin is capable of providing professional support to overseas steel mills, rolling mills, seamless pipe mills, ductile iron pipe manufacturers, metallurgical equipment manufacturers and engineering companies.

Our Approach

We focus not only on whether a product meets the drawing requirements, but also on the compatibility between material selection, manufacturing processes and actual operating conditions.

Ruilin is committed to helping customers improve equipment operating stability, extend the service life of critical components, reduce unplanned downtime and lower overall maintenance costs through reliable products, traceable quality control and continuous technical support.