Shenzhen Jingguanghua electronic Co., LTD is a well-known enterprise in crystal oscillator industry. The company is professional at providing the most scientific Crystal oscillator solutions in circuit application. Since 1996, Jingguanghua is begun to provide a variety of crystal oscillator products to Market. The products 一 SMD crystals are widely used in communication correspondence, medical equipment, wearing and mobile digital products. In the automotive electronics (such as: automobile tire pressure) and industry, Plug-in crystals show a greater advantage. In 2000, The company got the ISO9001 quality system certification, and in December of 2003 The company got the ISO14001 international environmental system certification.