Profile: Raj Engineering provides eye & flange bolts, couplings, heat exchangers, valves and pumps. Eye bolt is a screw with a loop on one end and threads on the other end. We also manufacture connecting rod, which is used in automobile, agricultural, power generation and machine tool industries. Our heat exchangers are used in petroleum refineries, chemical and petrochemical plants. We also supply castings for pumps made from different materials such as steel and carbon steel.