Tbm_High-Efficiency Rock Tunnel Boring Machine Epb6650 Shandong Zhangqiu Blower Co., Ltd. Base Info Model NO.:EPB6650After-sales Service:Guide InstallationWarranty:2 YearsTrademark:JISTRONGTransport Package:SeaworthySpecification:diam6.6mOrigin:China Description Pre:Used Mini Excavator Komatsu PC55 Mr -2 Small Excavator (PC55 PC40 PC35 Digger) Wwith Low Price Next:Tbm_High-Efficiency Rock Tunnel Boring Machine Jzs6650e