
East Heavy Flex Spiral Drill Collar and Non Magnetic Drill Collar. API Certified Manufacturing: Strictly abides by API 7-1, API 7-2, SY/T5144, and SY/T5146 standards with API logo usage rights. Comprehensive Quality Control: 100% inspection including visual and function checks with professional QC team before shipping. Flexible Customization Options: Supports customized logo, packaging, and graphics with a minimum order of just 1 piece. Full Product Range Supply: Provides complete drilling tools including drill pipe, bits, and heavy weight drill pipes. Advanced Testing Equipment: Equipped with domestic and overseas precision testing centers to ensure international standards. ISO Management Certification: Passed ISO9001, ISO14001, and ISO45001:2018 quality and safety management system certifications. Global Export Experience: Exporting for 10 years to Middle East, Russia, South America, and North America. Timely After-Sales Support: Free replacement for quality issues and continuous assistance provided throughout the product life.