Huizhou Trantek Electronics Co., Ltd., known globally under the brand TTC, was established in 1998 and is a prominent manufacturer of digital rotary encoders, mechanical keyswitches, tactile micro switches, and precision connectors. The company was among the earliest in China to independently develop and commercialize digital mouse wheel scroll encoders.
Trantek holds over 200 Chinese patents alongside multiple international patents, operating certified management systems according to ISO 9001, IATF 16949 (automotive), ISO 14001, and OHSAS 18000. Its products hold global safety marks including UL, CUL, VDE, ENEC, EK, and CQC.