Shenzhen Sandeying Industrial Co., Ltd. is a manufacturer integrating R & D, production and sales. Annual production of various precision double-sided, high-layer printed circuit boards 420,000 M2, the products are widely used in mobile phones, computers, network and communications equipment, automotive electronics, smart home, medical equipment and financial terminal equipment and other high-tech fields. Over the years, Asia Pacific Zhuoyuan has established high-quality customer networks in