High-Efficiency 3-1/2" Downhole Motor for Coal Mining Operations

High-Efficiency 3-1/2" Downhole Motor for Coal Mining Operations. API & CE Certified: Passed API and CE international certification for quality and safety. High Efficiency Motor: Converts hydraulic pressure to mechanical energy with 1650N.m max torque. Customizable Design: Offers full customization for OD, drill bit size, flow rate, and speed. Fast Delivery: Ordinary orders delivered within a week; bulk orders within half a month. Professional R&D: Backed by 15 invention patents and industry-university-research consortium. Strict Quality Control: 100% inspection before delivery with advanced testing equipment. Global After-Sales: Nearly 20 after-sales centers established in major Chinese oil fields. Versatile Application: Extensively used in drilling and workover for oilfields and coal mines.