J. J. Diesel established in 1985 is an ISO 9001:2000 company manufacturer and exporter of Centrifugal casted Cylinder Liners and Sleeves of all type of Tractor, Truck and Car Engine under the Brand name "METRO" Cylinder Liner India.

More than 2 decades of rich and diverse experience in manufacturing and exporting Cylinder Liners & Sleeves made possible for J J Diesel to manufacture and export Automotive cylinder liner Rajkot.