Weld first and galvanized later. Diameter of the wire after galvanized 1mm. Size of column 1/2" by 1". Prefer width 5ft and length 100ft per roll. 联系方式Co:Takara Precision Ind. Sdn Bhd Add:PT. 539, Lumut Ind Estate, 32000, Sitiawan, Perak Tel:605-6928888 Fax:605-6919370 Email:arlau@tkr-oem.com,takara@tkr-oem.com Website:http://tkr-oem.com/联系人:Mr. Yee Ar Lau国家:Malaysia产品类别机械五金arlau@tkr-oem.com