Caiqin Electronics Elements Co., Ltd. (ZhangJiaGang) is a Sino-Hongkong enterprise which specializes producing filters and resonators. It is located in Zhangjiagang city, a well-known culture and sanitation city which borders upon Zhangjiagang Bonded Zone and Zhangjiagang port. 　　Established in 1987, CaiQin Electronics is a High-tech enterprise of electronic ceramic product and has much experiences in research, development and production. We have achieved ISO9002 certificate signed by SGS company on May, 1997 and reviewed ISO9001 (2000) of SGS company on February, 2002. We own porcelain center and sensitive material research institute. Our research ability is in the lead. And we are one of the biggest manufacturers of OEM, ODM Piezoceramic in China. 　　Our products are mainly the following: 1. Microwave Dielectric Filter 2. Microwave Dielectric Resonator 3. Dielectric Band Pass Filter 4.GPS Dielectric antenna 5. Piezoelectric Ceramic Filter 6. Piezoelectric Ceramic Resonator 7. Piezoelectric Ceramic Discriminator 　　The products are mainly used in: 1, RF radio circuit, microwave communicate, component of Choose frequency, STB, GPS, GSM,CDMA base station, direct increase station,radar, electron resist, aviation and spaceflight etc. 2, CT1,CT2,900M/1.8G/2.4G wireless telephone, 46~49M wireless telephone,interphone,BP machine,wireless tat,wireless earphone,wireless microphone,CD machine,VCD,DVD,remote control,toy, radio/tape recorder,WORKMAN, carstereo/auto radio etc. 　　The annual production reaches 30 million pieces of the above, 80% is sold to the international market. Compared with same trade other company, we have entering conduct early, experienced, technology lead, market relation stability, popularity high , suitable price and so on for a series of advantages.