Ratnamani Metals & Tubes Ltd. is a holding company, which engages in the manufacturing of tube and tube fittings of basic iron and steel. It operates through the following segments: Steel Tubes and Pipes, Bearing Rings, and Pipe Spools and Auxiliary Support Systems. The company was founded by Prakash Mishrimal Sanghvi and Jayantilal Mistrimal Sanghvi on September 15, 1983 and is headquartered in Ahmedabad, India.