The innovative jib system adopts embedded block, plug-in boom head and octagon jib, which has excellent lifting performance and safe and reliable lifting work. The unique stretch and retract technique avoids the bend of the core pipe and cylinder and the break of the boom caused by misoperation, improving the safety of the operations. Eight patent techniques ensure the smooth, high efficiency and energy conservation of the lifting, rotation, and luffing systems.
2019网赚新项目 网赚联盟是真的吗 2019国外网赚 山西11选5走势图 做网赚新手先做什么 网赚钱项目 大资本彩票网 在线快3平台 华夏网赚论坛官网华夏网赚论坛福缘网赚论坛网 彩票高賠率好平台