Established in 2000, we specialize in manufacturing brake drums,brake rotors, engine caps, steering knuckles, carriers, and d ... ifferential cases. We ship about 6,000,000 parts to our customers a year. Quality is one of our top priorities and strict in-house quality check is done at every process of production. We obtained ISO9001:2000 certification in 2003. ATTC believes Quality can only be achieved by having controlled processes and skilled employees. Our customers’ needs are met by providing quality products through continuous improvement. read more