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 QUALITY GUARANTEE
 CASTING
 LABORATORY
 MACHINING & END CONTROL



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USTUN IS has been the leading manufacturer of engine cylinder liners in Turkey since it was founded in 1956.

In this period millions of cylinder liners are manufactured for various types of engines. The common characteristics of these liners are the meticulous manufacturing quality of USTUN IS.

Every manufacturing step is tested strictly in modern laboratories;melt control, chemical analysis control, hardness control, metallografic control and end control…

Continious efforts to maintain the production of top - quality products, have made USTUN IS the “number one” original equipment supplier.

USTUN IS has specialized in the production of cylinder liners barrels.

If offers a wide range of top – quality products to industry in this specific field. Because of long years of experience, it is unlikely that your particular problems in cylinder liners barrels will be unfamiliar to the staff…