... light pole1.polygonal,round,dual-arm,single-arm2.highway,garden,square3.have 10 years guarantee4.ISO9001,9002,3C street light pole ... requirementWeldingWelding confirms with international welding standard of CWBBase plate mountedBase plate is square or round in shape with slotted holes ... underground as per customers requirementGalvanizingHot dip galvanization with thickness of 80-100µm average