200m Portable Water Well Drilling Rig DTH Borehole Rotary Core Drill Machine. High Mobility Design: Heavy-duty trailer chassis allows easy site-to-site transfer without extra lifting equipment. Versatile Drilling Applications: Supports diamond core, wet drilling, geological exploration, and water well construction. Powerful Diesel Engine: Reliable power output ensures stable performance in complex geological conditions. 2-Year Warranty Coverage: Comprehensive warranty protection for all mechanical components and systems. Lifetime After-Sales Support: Online guidance and lifelong service available for all machine operations. CE and ISO Certified: Meets international safety and quality standards including CE, ISO 9001:2000, and ISO 9001:2008. Efficient Core Sampling: Integrated mast and control panel enable one-operator handling of drilling and sampling. Durable Construction: High-strength steel and wear-resistant components ensure long service life.