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.
919网赚是真的不 微信网赚是什么 山东群英会 山东十一运夺金 博盈彩票 百万彩票 现在的网赚是怎么回事 天天网赚靠谱吗 月入数万的网赚是真的吗 六福彩票