LW is a high-tech enterprise which offers diverse products as digital visual presentation products, central control system, electronic whiteboards, av netmeeting system, intelligent monitor system, exhibition lighting system, audio equipments, multimedia classroom system and office equipments to serve educational, medical, institutional, commercial and industrial market. From the beginning of establishment, longwin people have been engaged in innovation, research and development of technology as to meet or exceed customers' demands with value-added products and service is our mission, continuously improve technology, develop products to pursue future technology is our commitment. Currently, we have advanced R& D equipments to drive innovation and aggressive growth on digital av products by an outstanding technical team. We also carry out technical exchange and cooperation with renowned domestic and international high-tech enterprises to strengthen our technology advantages consistently. So far, we are in possession of two national patents accredited by state intellectual property office / P. R. C.