Horizontal Directional Drilling Machine, HDD Machine (DDW-5527) Wenzhou Keepon Machinery Import & Export Co., Ltd. Base Info Description ToolsBack reamer Diameter Male & female pulling eye Swivel330, 430, 530, 630, 730, 820, 920, 1050 mm NC31 ( option NC38) 55 ton Pre：Drilling Machinery for Core Next：Hot Sales Trenchless Horizontal Directional Drilling Machine (DDW-5527)
