VLD36/D32船板激光切割D级板带挪威船级社认证船检章整板量大价优 ¥3350.00 VLE36钢板VLD32船板激光切割E级板挪威船级社认证带船检章整板优惠 ¥3300.00 特厚钢板Q235A Q235B Q235C Q235D超宽钢板普通碳素钢按图下料切割加工 ¥3700.00 Q345BZ15 Q345BZ25 Q345BZ35钢板切割带Z向性能抗撕裂抗拉板零割 ¥3750.00 ASME SA783GRB钢板SA783GRC容器板切割批发规格齐全整板供应 ¥3000.00 SA783GRD钢板SA783GRE容器板SA783GRA切割批发规格齐全整板供应 ¥3750.00