C.T.I. Traffic Industries Co., Ltd

We are Celebrating our 50th Anniversary
– Quality, technology and Innovation since 1973 –
All the way you can trust

We provide a wide selection of piston rings, and also produce piston rings for specialized uses based on samples and drawings. We have a range of materials and coatings for piston rings with diameters from 40mm to 170mm. Also supplies 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 precision for automotive, agriculture, off-highway and heavy-duty truck applications.


Department of New Energy was established in 2018 to devote C.T.I.’s sources for a new product line in the field of Power Battery applications. The main target products are solely for energy storage and backup systems for vehicles, buildings, household and industrial uses. C.T.I. not only was honorable to be the FIRST company that received UL1973 12V/5AH 1C certification, and launched the intelligent vehicle rescue system "12V/24V Auto-Sensing Jump Starter" that offers 12V/24V with high pulse current discharge, but also has obtained CE, FCC and UN38.3 certification.