
Premium Custom Herringbone Gear Shaft for Heavy Machinery. Custom Herringbone Design: Double helical gear shaft with customizable diameter, length, color, and logo for heavy machinery. Robust Forging Process: Forging and casting capabilities from 1500-50000kgs/PCS to improve mechanical properties and service life. 100% Quality Inspection: Comprehensive testing including UT, hardness, mechanical properties, and size inspection for every order. Mining Application Expertise: Designed for efficient transmission of large torque and high load in harsh mining conditions. ISO 9001 Certified: Established in 2002 with ISO 9001:2015 certification and 40+ patents for quality assurance. Global Export Experience: Over 15 years exporting to 50+ countries with 200+ companies served worldwide.