DIAMOND AUTO INDUSTRIES, SINCE 1969 DIAMOND is a name of quality commitment and is the first choice in the Automobile Sector. It has become possible because of our quest for excellence through the highest levels of quality innovation and 100% inspection. DIAMOND\\\'s position at the forefront in piston manufacturing is the result of continuous research and development of unique materials, piston designs and technologies. Utilizing State-Of-The-Art CNC machines and SPM for manufacturing along with purpose-designed Castings, Diamond is able to maintain exacting specifications on each and every piston and hold tolerances to millionths of an inch. Tested Hypertectic Aluminium Alloy made from Virgin metals suitable for different engine\\\'s specifications, is used for casting with electronically-controlled furnaces and semi Automatic Die Casting Machines. After proper heat treatment machining is done on sophisticated special purpose machines, diamond profile turning machines and C.N.C. machines. DIAMOND has a fully equipped R&D department with qualified and technically competent engineers delivering innovation and quality improvement. The wide range of pistons & rings manufactured for Agricultural Sprayers to Stationary Diesel Engines. A wide range network of dealers ensures genuine and timely availability. DIAMOND is focused on refining our quality culture and our associates are dedicated to living up to our Quality Policy: “Good Quality Brings Good Business.”