HDD Use Push-pull Rotary Reducer for XCMG/Drillto/Dw/Txs/Goodeng Machine/Dilong/Vermeer/Zoomlion/Terra/Ditch Witch/Toro/Huayuan Horizontal Directional Drilling Rigs Horizontal directional drilling rig push-pull/rotary reducer Our non-excavation drilling rig/horizontal directional drilling push-pull/feed reducer/reducer assembly can be used in various types of horizontal directional drilling rigs of XCMG XZ200E/320E/320D/450 and Shenzhen Drilling, with strong versatility and high performance reliable. It can also provide various spare parts sales …