Yat Sing Printed-Wiring Boards Factory Ltd. is specialized in production and selling of PCBs since 1981. Our main office is located in Tsuen Wan, Hong Kong; while the production plant is located in Penghu Town, Long Gong District, Shenzhen, Guangdong Province of P.R.C. With over 10,000㎡ production plant, our sophisticated and automatic facilities, professional and well-trained technicians, and strict quality control, all that we can provide high quality and professional services and products to our customers.