Huihe Circuits Co., Ltd. has been certified for UL, ISO9001, IATF16949, ISO14001, ISO13485, OHSAS18001, and RoHS. With a professional technology team, Huihe Circuits has mastered advanced process technology and reliable production equipments, testing equipments and fully functional P&C lab. Our products include 2-28 layers PCB boards, HDI boards, high Tg circuit boards, heavy copper boards, rigid-flex boards, high frequency boards, mixed-dielectric boards, buried & blind via boards, metal core board and halogen-free boards, which are widely used in communications, computers, industrial control, power electronics, medical equipments, security electronics, consumer electronics and automotive electronics. Products are exported to North America, South America, Europe, Southeast Asia and other countries and regions.