Total Prime Engineering is the sole distributor for CHO. Co. Ltd. Co. Ltd for products O-Ring, Oil Seal, Hydraulic & Pneumatic seal, dan Mechanical seal. At this moment, we have more than over 10, 000 items of o-ring and oilseal with a material specification as follow: Nitrile (NBR 70 / 90) , FKM (Viton 75 / 90 / AED) , Silicone 70, EPDM Sulfur Cured & Peroxide Cured, HNBR, PTFE (Teflon) , Polyurethane (PU) , etc. For the high temperature and high chemical resistance we present Kalrez from Dupont Dow Elastomer and Encapsulated O-ring from UK. For the non standard sizes of hydraulic & pneumatic seal, we machined by SEAL MASTER, DMH, Austria. Apart from that, we are also stockies and importer for the wellknown brand as follow: 1. PARKER 5. Chicago SEAL 9. KALREZ2. NOK 6. NATIONAL 10. DLI3. HALLITE 7. GAPI 11. etc4. SAKAGAMI 8. VALQUA