Customization Options: Customize materials, lengths, wall thicknesses, and threads according to customer requirements.
Diverse Steel Grades: Available in R780, G105, and S135 grades for various drilling applications.
Advanced Manufacturing: Uses friction welding, precision CNC lathes, and imported forming cutters for high quality.
Durable Thread Design: Quenched, tempered, and nitrided joints prevent gluing, breaking, and expansion.
Wide Application Range: Suitable for rock crushing, geothermal drilling, water well drilling, and anchoring.
Strict Quality Control: ISO9001 certified with comprehensive mechanical and chemical testing equipment.
Competitive Delivery Time: 10-20 days for stock items, 20-30 days for customized orders based on quantity.
Professional Manufacturer: Established in 1988 with 13,000 sqm factory and full design and manufacturing capabilities.