GMK brings high value to your products and convenience to your customers with the most diverse range of high-quality available today.
    With outstanding performance, GMK achieve the worldwide popular manufacturer and vendor in the electronic components especially in frequency control devices market. At this moment, GMK has accumulated about 10 years of experience for quartz crystals, ceramic resonators, bell resonators and crystal filter and so on. Products are wildly applied in the field of computer, communication, TV set, acoustics equipment, and electronic industry etc.