GMK was founded in 1990?s, and has 700 staffs. The company?s capital is US$ 6 million, covered with 35000 square meters . It has introduced advanced manufacture equipments and measurement instruments from Japan and US. GMK has the strict quality control system and passed the ISO9002 assessment in 1999.

GMK is a professional manufacturer and exporter of quartz crystals, ceramic resonators, oscillators and crystal filter. Products are wildly applied in the field of computer, communication, TV set, acoustics equipment, and electronic industry etc. The annual capacity is 90 million pieces, and products mainly export to US, CA, Europe, and South Asia.

GMK has the policy of High quality, Competitive price, On-time Delivery and Best Service. We sincerely invite you to test us out and see why we are competitive and better by ordering some products.