营业项目/MAIN BUSINESS SCOPE   Specializing in Making Seamed and Seamless Stell Tubes for Automobiles/Motorcycles 专业制造汽机车有缝丶无缝钢管 Our Precision: cold-drawn Steel Tubes Feature An Inner/Outer Diameter With A Permissible Error of ±0.025mm 精密冷拔钢管之内、外经容许差有效控制范围为±0.025mm Electric Resistance Welded Carbon Steel Tubes is Standards For JIS 电气抵抗熔接碳钢钢管之标准符合JIS规范 Percision cold-drawn Steel Tubes Are Available In 8mm~180mm Id/Od A...