We are the manufacturer of hydraulic seals used in hydraulic cylinder under CHECKRING brand since 1982 in Istanbul-Turkey. Our product range comprises; Hydraulic seal kits, rod seals, piston seals, dust seals, PTFE and bronze bushings, wear rings, o-ring , PTFE seals, back-up and buffer seals, compact type seal kit, PTFE transmission rings and seal kits. Altough our basic production is for heavy machinery industry, we also manufacture custom made products made of engineering plastics like ; PTFE , Teflon PFA, POM, PA6, PE/PA, PEEK, PET-C, PVDF Solef , NBR, Viton , FKM , Silicone , EPDM , Nylatron GSM and Erthalyite for automative, food & beverage and pharmaceutical industries. For further assistance you can contact us , our dedicated team members offer solution for your most demanding application.