#hdd #drillingmachine #drillingrigs #directionalboringmachine yugongengineering.com/horizontal-directional-drilling-machine/ whatsapp/wechat/tel:+86 15037187716 Email: admin@yugongengineering.com Equipment Introduction： A horizontal directional drilling boring machine (HDD） is a device used to lay underground pipes and cables without damaging the surface. It can successfully avoid obstacles within a certain radius underground, can work underground in clay, sand, and other strata, and is widely used in the laying of flexible pipelines in the fields of electric power, communications, oil, and natural gas. Chapters: 0:00 intro 0:16 drill pilot hole 1:18 pre-expansion 2:00 pipe pull back 2:42 laying completed Subscribe to us: www.youtube.com/channel/UCLejPdt-SkMHE1ydoZaOCig?sub_confirmation=1 Contact us: If you want to know more machine details, please contact us. whatsapp/wechat/tel:+86 15037187716 Email: admin@yugongengineering.com Web: yugongengineering.com/

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