Piston Ring Excellence Since 1956 QIN S.R.L. develops, manufactures and supplies worldwide piston rings for 4 stroke large bore engines 160-600mm for marine, industrial and power generation applications. We are the 21st century regeneration of the piston ring market leader formerly known as Industriale Srl, and are a leading manufacturer of piston rings for OEMs of 4 stroke large bore engines. QIN piston rings have been proven over millions of engine hours since 1956, and bring market-leading efficiency and peace of mind to all those who work with us. Why work with QIN 1) QIN technical support: your helping hand 2) Full-cycle in-house production: speed and flexibility 3) Chrome ceramic technology: the best in the business 4) In-house laboratory: providing peace of mind 5) Large inventory: supporting Just In Time delivery 6) Best techno-commercial outcomes: happy engineers, happy purchasers When we put all these elements of the QIN story together, those who work with us today choose to come to us for their piston rings because they know that they receive market-leading technology, with short lead times and competitive pricing. Why not join them? sales@q-in.eu or www.q-in.eu to find out more