
Jhm Series Gearbox for Vertical Type Single Screw Extruder. High Precision Grade 6: Gears manufactured with carburizing quenching and grinding up to Grade 6 precision. High Strength Alloy Steel: Main parts constructed from high strength alloy steel for durability. Over-Specification Thrust Bearing: Mounted on hollow output shaft to accommodate screw back pressure forces. Low Noise and High Efficiency: Designed for stable drive with low noise and high efficiency performance. ISO9001 Certified: Factory certified in ISO9001 with over 38 years of R&D experience. 12 Months Warranty: Comprehensive warranty coverage starting from the departure date of goods. OEM/ODM Service Available: Custom manufacturing services available for specific requirements. SGS Certified: Products meet SGS certification standards for quality assurance.