Our company is a Sino-foreign joint venture which we own enormous productivity of semiconductor and strict quality control. We specialize in varicoloured light-emitting diode, full colour display screen with lattice pixel module, high frequency transistor five-25ghz.They are all made of Europe-
an and American transistor chips. They are extensive used for large colour display screen, traffic lights, community antenna , ect. outdoor and indoor. We have also advantages whether on the prices or quality. Welcome to contact us.