Utmost care is taken for quality control process, at each step, starting from forgings to finish, which go a long way in ensuring high performance precut. Apart from fully equipped machine shop, we have a modern laboratory and heat treatment plant equipped with furnaces with the precise temperature and atmospheric controls, which are very critical to produce within short tolerance conducted at every stage of the activity, on dimensional, chemical and metallurgical parameters, thus resulting in word class products with the highest performance standard.

J J Diesel is equipped with the following Quality check instruments for its consistant and high quality cylinder liners and sleeves :

• Spectrometer
• Material Analysis lab installed with Spectrometer
• Compound Optical Microscope
• Micrometer
• Surface Roughness Tester
• Hardness tester
• Ring Micrometer
• Height Micrometer
• Other Measuring Instruments