Tbm_High-Efficiency Rock Tunnel Boring Machine Shandong Zhangqiu Blower Co., Ltd. Base Info Model NO.：JZS6250After-sales Service：Guide InstallationWarranty：2 YearsTrademark：JISTRONGTransport Package：SeaworthySpecification：diam6.2mOrigin：China Description Pre：Huge Rock Pipe Jacking Machine Next：Newest Model Japan Used Construction Equipment Komatsu PC220-8 Crawler Excavator with Best Price
