TKD is a company focusing on quartz frequency control components for 20+ years.

TKD Science and Technology Co., Ltd, is specialized in the quartz frequencycontrol components and production equipment research, development.production and sales of national high-tech enterprises. TKD is the leadingenterprises in domestic quartz crystal industry area and one of the domesticlargest 100 electronic components companies. Company has a complete product line of quartz crystal resonator, oscillator,thermistor and quartz crystal chip, products containing DlP, SMDencapsulation of high and low frequency crystal resonator, the upstreamchip, WAFER, pedestal, shell, etc. And 2016 listed A shares in Shanghai stockexchange(stock code:603738).