Established in 1987 as a specialist manufacturer of Quartz Crystal Units, such as: 49U, 49S, SMD Xtal, SMD CXO, SMD VCXO, Tuning Fork, SMD Blanks and Ceramic Resonator (Filter, SMD), King Fai (International) Enter......Established in 1987 as a specialist manufacturer of Quartz Crystal Units, such as: 49U, 49S, SMD Xtal, SMD CXO, SMD VCXO, Tuning Fork, SMD Blanks and Ceramic Resonator (Filter, SMD), King Fai (International) Enterprise Co. Ltd. can guarantee stable product quality and prompt delivery. As the company constantly improves the efficiency and raises the production yield rate through procuring the best machinery and technology, the prices offered are very competitive on the market. In addition, King Fais OEM plant can produce almost any type of quartz crystal products strictly in accordance with the custom specifications and the production capacity is up to 6 million per month. Our export outlets cover Europe, North America, Japan and other Asian countries.