Rjm No Dig 2000 Underground Pipeline Compound Rock Pipe Jacking Tunnel Boring Machine for for Steel Pipe Hangzhou Supu Business Machine Co., Ltd. Base Info Description Pre：Xdn500 Automatic 3000mm Compound Slurry Rock Pipe Jacking Machine/Tunnel Boring Machine Next：Npd1500 Small Slurry Balance Compound Tunnel Boring Pipe Jacking Machine for Concrete Pipe
