TST was established in November 1997, The main products are surface acoustic wave (SAW) components (mainly including RF surface acoustic wave filters, intermediate frequency surface acoustic wave filters and surface acoustic wave resonators, etc.), body wave (BAW) quartz components (mainly including quartz oscillating crystals, quartz filters, quartz oscillators, voltage controlled quartz oscillators, quartz voltage controlled/temperature compensated oscillators, etc.) And its related modules, the application field covers satellite digital broadcasting, mobile phones and base stations, wireless local area network, satellite positioning, wireless blue bud, vehicle remote control, tire pressure sensor and other 3C products.