LIAOCHENG JINYIDA INTERNATIONAL TRADE CO., LTD.

Located in one of China’s key steel and machinery manufacturing hubs, we are a modern specialized steel pipe manufacturer integrating R&D, design, precision processing, production, and sales services. Over the years, we have been deeply dedicated to the field of special steel pipes, aiming to provide high-quality cold-drawn shaped steel, shaped steel pipes, and precision seamless steel pipe solutions to customers worldwide. With exquisite craftsmanship and strict standards, we help downstream industries upgrade and develop.

Core Product Matrix

We have complete production lines and technical reserves. Our main products cover three core series to fully meet complex application needs across various industries:

- Cold-Drawn Shaped Steel Series: Leveraging advanced cold-drawing technology and mold development capabilities, we can customize all types of non-standard cross-sectional shapes of cold-drawn shaped steel. The products feature high dimensional precision, reasonable cross-sectional structure, and strong load-bearing performance. They are widely used in construction machinery, automobile chassis, mining machinery, and various non-standard structural parts, effectively improving space utilization and structural strength.

- Shaped Steel Pipe Series: Breaking the limitations of traditional round pipes, we specialize in manufacturing hexagonal, square, rectangular, oval, and various complex cross-section shaped steel pipes. Our products cover a wide range of outer diameters and wall thicknesses with smooth inner and outer surfaces. They not only have excellent mechanical properties but also perfectly suit scenarios with special shape and space requirements, such as heat exchangers, hydraulic cylinders, building facades, and special machinery transmission components.

- Precision Seamless Steel Pipe Series: As the cornerstone of our company, our precision seamless steel pipes are made from high-quality carbon steel, alloy steel, and other materials, refined through precise cold drawing/cold rolling and advanced heat treatment processes. The pipe dimensions can be controlled to very high tolerance levels, with excellent internal smoothness and no welding defects. The products have outstanding tensile strength, fatigue resistance, and high-pressure tolerance, making them ideal for hydraulic systems, automotive steering cylinders, injection molding machines, aerospace, and precision instruments.

Technical Strength and Quality Commitment

We understand that pipe quality directly affects the safety and lifespan of end equipment. Therefore, our company has established a full-process quality control system from raw material intake to finished product dispatch:

- Advanced Equipment: Equipped with multiple high-precision hydraulic cold drawing units, CNC shaped forming machines, continuous roller hearth heat treatment furnaces, and automated eddy current testing units, ensuring production stability and efficiency.

- Strict Quality Inspection: With a complete physical and chemical testing center, we monitor and test product straightness, roundness, wall thickness uniformity, and mechanical properties in real-time to ensure every steel pipe leaving the factory meets or exceeds national standards (GB) and international standards (ISO, ASTM, DIN, etc.).

- Flexible Customization: Adhering to our "customer-centered" philosophy, we not only provide a wide range of standard specifications in stock but also offer strong non-standard customization capabilities. From drawing design and mold development to sample testing, our technical team provides one-stop technical support to achieve customized production that meets your unique needs