Changzhou Fengdie Metal Technology Co., Ltd.is leading manufacturer and supplier of high-precision steel tubes based in China, we specialize in cold rolled precision seamless steel tubes, cold drawn precision tubes, precision cold rolled tubing, and related products such as hydraulic cylinder tubes, honed tubes, and shock absorber tubes. With years of expertise in advanced cold rolling and cold drawing processes, we deliver seamless steel tubes that meet stringent international standards including IATF16949、DIN 2391, EN 10305-1/2/4, ASTM A519, and JIS G3445.
Our products feature exceptional dimensional accuracy (±0.025–0.08mm OD tolerance), superior surface finish (Ra ≤0.2–0.8μm), enhanced mechanical properties, and reliable performance under high pressure and fatigue conditions. We offer a wide range of specifications (OD 4–325mm, wall thickness 0.5–30mm) in steel grades like E235, E355, ST52, CK45, and more, with customizable options including honing, skiving, galvanizing, phosphating, and heat treatments (+C, +SR, +QT).
Serving global markets—including Japan, Europe, and beyond—we supply Tier 1/Tier 2 customers in hydraulic systems, automotive components (shock absorbers, steering), precision machinery, construction equipment, and industrial applications. Committed to quality, we hold ISO 9001/IATF 16949 certifications, provide EN10204 3.1/3.2 material certificates, and ensure stable delivery with flexible MOQs for both trial and bulk orders.
Our products are widely used in the automotive, motorcycle, construction machinery, hydraulic and pneumatic cylinder blocks, metal structural components, and other mechanical parts industries, gaining widespread recognition and high praise within the industry for their stable performance and reliable quality.
We are committed to providing customers with cost-effective precision metal tubing solutions through technological innovation and lean management, working together to create exceptional value.
We prioritize sustainability through eco-conscious manufacturing, recyclable high-quality materials, and energy-efficient production—ensuring our precision pipes meet both performance demands and environmental standards.