Materials: Carbon and alloy steel
Diameter: ≤ 2, 500mm
Length: ≤ 20, 000mm
Process: Forging-normalizing, tempering-proof machining-quenching and tempering-precision machining
Surface finis: Zinc, chemical conversion and anodic coating
QA documents: Chemical composition, mechanical properties, heat treatment, dimensions check and UT report
Standards: GB, GBT, JIS, AISI, SAE, ASTM/ASME, EN, GOST and DIN
Packing: Standard export
Jiyuan Zhongyuan Special Steel Machine Manufature Co., Ltd was founed in 1995 with 25 technicians and 20 sets of machine equipments in large and middle size. We manufacture forge material, forge parts, drill tool, axes parts, mould for ductile iron pipe, corrugated roller, roller and protect cap for the drill tool. We especially are good at finish machining for roller with big size, arerose roller and deep-hole part. The company was certified by ISO9001 in 2002. Both old and new friends are welcome for common development.
