Hongkong Preface CO., LTD is located in Yiwu, a world famous city for its small commodity trade and vibrant markets. Preface is specialized in Electronics and Components, such as IC chips, Diodes, Mosfet, Transistors, Resistors, Capacitors, Crystals, Inductors, Modules, Connectors, etc. With 8+ years BOM rich supply experience, professional selling team and scientific quality management, Preface is becoming an expert in BOM and Components supply. We strive to be the BEST of your retailing and wholesaling business partner. We are not just providing you Electronics and Components, but perfect user experience and service.