Introduction: Hangzhou Paradise-Bird Electron Consumption Materials Co., Ltd. (originally named Hangzhou Sports & Stationeries manufacturer ) was established in 1990, located in Puyang Industry Area in the south bank of Qiantangjiang River, Xiaoshan district, Hangzhou. It is a Hi-tech enterprise which specialized in making electric consumption materials: Printer ink, ink cartridges, laser toners, ribbons and ink power etc. It has 15 scientific and technical personnel, engage 6 professors and senior engineers.