Liwan Precision produces precision ERW steel tubes using advanced high-frequency resistance welding technology. Supported by automated production lines and online inspection systems, the company achieves full-process control from forming and welding to sizing and cutting, ensuring high dimensional accuracy, excellent roundness, straightness, and stable weld quality.
Liwan Precision operates an integrated manufacturing system with annual capacities of approximately 130 million machined components, 128,000 tons of cold-drawn precision steel tubes, 170,000 tons of welded precision steel tubes, and 60,000 tons of precision seamless steel tubes.
Liwan Precision is equipped with a comprehensive manufacturing system featuring advanced ERW tube mills, multi-line cold drawing machines, and cold rolling units, complemented by continuous heat treatment lines and high-precision machining equipment, enabling integrated production from raw materials to finished tubular components.
Liwan Precision operates a standardized laboratory equipped with advanced testing systems for mechanical properties, metallographic analysis, dimensional inspection, and surface quality evaluation, ensuring stable and consistent product quality from raw materials to finished products.
Liwan Precision provides high-precision and highly reliable precision tubing and component solutions for high-end manufacturing industries, including automotive, construction machinery, motorcycles, high-speed rail, and robotics.
Liwan Precision has established a comprehensive sales and service network across China while continuously expanding its global presence to provide reliable products and responsive support for customers worldwide.
