我司发明专利-手机凸台MIC线路板

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SHENZHEN TONGFAXIN CIRCUIT TECHNOLOGY CO.,LTD(TongFa) was found on Aug 1998,is a group corporation which is specialized in manufacture of 2-30 layers high precision Printed Circuit Board。
　　 TongFa have the system that directors lead and general manager responsible. Most members of managements are elite of business administrators and R&D of PCB industry. TongFa have Enginneering, Quality assurance、Marketing and administration departments. Have more than 500 employees now.

With first-rate PCB production technic and testing equipment from aborad, TongFa have 25,000㎡ of high-precision multilayer boards and 20,000㎡ of high-frequency boards a year, with amin trace width 0.075mm,a min hole 0.15mm and a smallest bonding pad diameter 0.2mm. These products are use in traffic、communications, electronics and scientific research domain.
　　 Under the system of general manager responsible, TongFa passed the certificate of ISO9000 and UL in October 2005. Through optimized human resources, improve management mechanism and continually enhanced quality.

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