Established in 2005, Shenzhen Siroka Electronic Co., LTD is engaged in the development and manufacture of different kinds of mobile phone chargers, USB chargers and power circuit boards. We have top of the line support processing equipment and a professional team who specializes in chargers and power technology. Highly Skilled Workforce We employ more than 50 senior managers and engineers and over 400 skilled workers. With their support, we are capable of making high precision circuit boards with 1 to 20 layers, and circuit board table with copper thickness of 10oz (350 micron). These products are widely used for lasers, power supplies and transformers. International Certifications We have a well-established management system including market development, production and processing, quantity guarantee and after-sales service. For your assurance, our factory is ISO 9001:2000-certified and our products carry CE, FCC, CCC and RoHS marks.