Tunnel Boring Micro Tunneling Machine Jze6980e Shandong Zhangqiu Blower Co., Ltd. Base Info Model NO.:JZE6980eAfter-sales Service:Guide InstallationWarranty:2 YearsTrademark:JISTRONGTransport Package:SeaworthySpecification:diam6.9mOrigin:China Description Pre:Tbm_High-Efficiency Rock Tunnel Boring Machine Jzs6050 Next:Qlb3000 Asphalt Plant with Capacity 180-240 Tph in Kazakhstan