Harmony Electronics Corp is engaged in the manufacture of quartz frequency components. The Company's main products include quartz crystals, quartz filters and crystal oscillators. Its quartz crystals are applied to computer peripherals, communication devices, household electronics, automobiles and others. The quartz filters are used in wireless transmission and receiver equipment. During the year ended December 31, 2007, 66% and 11% of the Company's total revenue were from its quartz crystal and quartz oscillator businesses, respectively.