API 135mm Downhole Motor Spherical Hinge Universal Shaft for Petroleum-Equipment-Machinery Drilling Tool

API 135mm Downhole Motor Spherical Hinge Universal Shaft for Petroleum-Equipment-Machinery Drilling Tool. Superior Material Quality: Constructed from 40CrNiMo forging material for excellent mechanical performance. High Torque Resistance: Spherical design offers large torque resistance and strong fatigue resistance. Precise Customization: Full customization available including samples, designs, and minor adjustments. ISO 9001:2000 Certified: Manufacturing process certified to ISO 9001:2000 standards with SGS verification. Comprehensive Testing: 100% functional inspection with independent physical and chemical laboratory. Extensive Experience: Over 20 years of production experience serving CNPC and Sinopec. Flexible Logistics: Door-to-door service available via shipping, air, or express delivery. Rapid Delivery: Lead time within 15 working days for both peak and off-peak seasons.