Our main product is Steel and special alloyed Brass Synchronizer Ring for transmissions of heavy vehicles, passenger cars, and trucks that were first localized in the Korea market by Sung Yong Hi-Tech.
Main manufacturing process is a hot-forging and carburizing heat treatment with Molybdenum of friction materials.
There are single, double, and triple types as well as key & pin types.
We also produce a variety of forged Aluminum parts for automotive transmission such as solenoid valves, OD pistons, and etc.
Our skilled team uses a variety of machine tools and technological resources to provide you with the perfect parts.
Our capabilities include: Casting, Forging, and Machining (CNC and MCT).
Furthermore, we are the third company in the world who developed "SYA Forming", which is a special Aluminum Forming process.
And, more various parts related to electric and hydrogen cars are available.