
Bq Nq Hq Pq Hrq Surface Set Diamond Core Bits. Customizable Size and Color: Available in customized sizes and colors to meet specific project requirements. High Production Capacity: Annual capacity exceeds 100,000 pieces ensuring stable supply for bulk orders. Rapid Delivery for Top Models: Ship within 7 working days for top-selling models with 12-hour inquiry response. Proven Quality Record: Zero major quality complaints and no rod breakage in actual operations for over 37 years. Global Export Experience: Exported to over 80 countries with professional technical support in English and Spanish. Comprehensive Customization: Support for custom logos, packaging, and solutions tailored to different geological formations. ISO Certified Manufacturing: ISO 9001:2015 certified with advanced CNC equipment and rigorous quality inspection. Flexible OEM/ODM Services: Full customization, minor customization, and flexible options available from samples or designs.