MRI (Master Resource Industries) are renowned international professional hand tools manufacturer with develop, manufacture and sale. Our main products include : socket and impact socket of 3/4" & 1”drive, reversible Gear Wrench and Tap & Die Set etc. We have been experience in the hardware field for more than 30 years and had acquired to patents of many country as Taiwan, U.S.A. , European Union and China, as sale products to the world. MRI in accordance with quality first and best serve to our client, even insist supply to high quality specialized products, also active with sincere to create more commercial opportunity with clients for our management philosophy.