MRT is also the home to our Patented Mobile Lathe Refacing Technology used in maintaining drill pipe sealing surfaces in the field. We specialize in double shoulder, high toque connections that meet API, DS1, and other relevant industry standards in the oil & gas industry. Our patented Lathe Refacing System is second to none, bringing "precise tools for a precision cut™" to the inspection and drill pipe repair industry... MRT Manufacturing & Reface Technology is headquartered in Billings, Montana supporting the Oil & Gas upstream and downstream sectors, mining, agriculture, construction, highway equipment, architectural to custom projects. We house CNC machining capabilities, water jet cutting, 3D printing, and design services utilizing state-of-the-art Solid Works CAD design studio to take the concept to high precision working parts... MRT™ has established the precision standard in rotary & double-shouldered connection lathe refacing through precision-crafted tools and outstanding..