UTECH is an ISO 9001:2008 and ISO14001:2004 certified supplier of frequency control products, such as crystal resonators and clock oscillators. Focus on researching and manufacturing high precision crystals for our customers, they are widely used for communications, computers, RF remote control, Multimedia, Meters etc.. In the last decade, with strong technical advantages, our products are served for lots of well-known customers, such as HUAWEI, CALIX, LG, AVM etc.. "Best Frequency; Best Service" is our tenet.