Company Info

C.T.I. is an innovative auto parts manufacturer specializing in piston rings, especially Black Diamond piston rings, our well-known eco-friendly and energy-saving product. We also are a reliable supplier of Piston kits, Engine Valves, Oil Seals, Valve Seals, Engine Gasket components, and Automotive Timing Kits in the global vehicle aftermarket. C.T.I. Engine Parts are made with precisions for automotive, agriculture, off-highway, and heavy-duty truck applications.

Always moving forward, In 2018, C.T.I. established a new energy business department, to specifically focus on power battery applications for vehicles, buildings, general public use, and industrial-based storage and backup systems. We have also acquired the world’s first UL1973 12V/5Ah IC certification.

Since 1973 C.T.I.’s continuous efforts and persistent energy are moving the company toward a leadership position in the industry.