Dongguan Yuanfeng Technology Co. Ltd was established in September 2002. We are a specialized ODM GPS navigation devices Manufacturer . Smart watches and wristbands are our newly-developed products . We have more than 200 professional R&D engineers, including 75 software engineers, 80 hardware engineers, 50 testing engineers and 20 structure engineers. This is the strongest R&D team in GPS navigation filed in China YF R&D team is four or five times bigger than any other company in GPS field.With years of development, we have become into one of the biggest PCBA designers and manufacturers in China with 65% interior PCBA market share. We are also one of the leading PND exporters in China with annual sales quantity of 1.2 million pieces in 2011.We integrate PCBA manufacture and PND mass production, so that our production is more efficient and quality control more effective. Most Chinese factories either make PCBA or assembly PND is only capable to do integrate manufacturing.Backed by six SMT lines with two shift working people, our monthly SMT production capacity can reach 700,000 pieces. Our production procedure strictly enforces the ISO 9001, ISO 14001, OHSAS 18000, ISO 14001, ISO/TS 16949 and QS08000 standards, and our products are compliant with RoHS, CE, FCC, CCC and BQB standards. Contact us today to begin sourcing.