Tbm_High-Efficiency Rock Tunnel Boring Machine Jzs6650e Shandong Zhangqiu Blower Co., Ltd. Base Info Model NO.：JZS6650eAfter-sales Service：Guide InstallationWarranty：2 YearsTrademark：JISTRONGTransport Package：SeaworthySpecification：diam6.6mOrigin：China Description Pre：Tbm_High-Efficiency Rock Tunnel Boring Machine Epb6650 Next：Alloy Steel Casting Construction Machinery Bucket Teeth for Excavator
