
Geotec Wuxi Crown Atw Btw Double Tube Thin Wall Core Barrel Btwu Core Barrel Assembly System. Customizable Sizes: Available in standard or customized sizes to meet specific drilling requirements. OEM and ODM Services: Full customization, minor customization, and flexible options from samples or designs available. High Manganese Steel Material: Constructed from high manganese steel for excellent durability and performance in mining. ISO 9001 Certification: Manufacturing process certified under ISO 9001:2000 and ISO 9001:2015 standards. Fast Delivery for Bulk Orders: Maximum 5 days delivery time for orders exceeding 100 pieces. Comprehensive After-Sales Support: Available after-sales service with a 1-year warranty coverage included. Versatile Formation Application: Designed for soft, medium, and hard formations in ore mining and water well drilling. Forging Manufacturing Process: Produced using high-quality forging techniques for superior structural integrity.