Uncompromised quality with efficient and flexible production.
Reliable partner for OEM manufacturers for production and development of state-of-the-art piston rings.company
Piston rings for 4 stroke large bore gas and diesel engines
With production ranging from 160 to 600 mm cylinder bore, piston rings are designed to run with all fuels under the most stringent environmental conditions. Lubrication, firing temperature, mean and peak pressure are taken into consideration to reduce scuffing, liner wear and increase operation stability.
Anti Polishing Rings, Flame Rings and Repair Bushes can be produced according to the dimensions required.
Flame, anti-polishing and repair rings
Base materials and coatings cover all four stroke applications for modern gas and diesel engines.
Extensive quality procedures and quality assurance guarantee smooth and reliable operation in every condition as testified by millions of total running hours on the field
Chrome ceramic coating
Hard chrome coating
Plasma and metallic
[Mo, Cu, Sn, Ni, Ni-Cr-Mo]
Three side coating
For heavily loaded rings
QIN has developed a NEW PRODUCTION CYCLE
that allows minimal and constant MACHINING TOLERANCES and has enabled TOTAL PRODUCT TRACEBILITY.process
With more than 50 years of experience and a fresh outlook, at QIN we understand the needs of our customers and end-users.
We design and manufacture our products based on their current and future expectations.application fields