Shenzhen You Shang Feng Communication Equipment Co., Ltd. Is mainlyfocus on design, produce, assemble and sell commnunicationequipments such as smart cell phone with water-proof, dust-proof,shock-proof and so on.We have out own R&D department, having near 20 engineers, whoare profesional in design in cell phone industry with more than 10year's experience.Our products are exported all over the world, and are well acceptedby our customers since long-term relationship.Our factory locates in Shenzhen city, where is closely to mainexport port and our logisitic transportation are guaranteed withquick shipment.