500m Portable Hydraulic Reverse Circulation Drilling Rig for Rock

500m Portable Hydraulic Reverse Circulation Drilling Rig for Rock. Lifetime After-Sales Service: Comprehensive lifetime support including technical assistance and maintenance guidance. 2-Year Warranty Coverage: Free replacement of defective components and free labor for repairs within 2 years. 24/7 Technical Support: Engineers available via email, phone, or online platform with 8-hour response time. Fast Spare Parts Delivery: Supply required spare parts within 3 business days with a 6-month quality guarantee. On-Site Service Support: Technicians dispatched within 15 business days; travel and accommodation covered during warranty. High Drilling Performance: Features fast drilling speed, efficient cuttings collection, and high-quality sample collection. Customizable Engine Options: Engine can be customized to Weichai, Yuchai, or other specific requirements. Multi-Industry Application: Suitable for mineral exploration, geological surveys, engineering surveys, and water well drilling.