Founded in the mid-1980s as an electronics factory, we were re-established in 2000 as Hangzhou Sangao Optoelectronics Technology Co., Ltd. With much experience in the diode field, we can now supply LEDs, LED displays, dot matrix displays, light bars, clock and watch screens, LED backlight, plastic mould, LED guide board. These products are widely used in elevators, office equipment, meters, cameras, home appliances, motors, traffic control devices, and related applications.



With a 5,800 square meter factory, we are equipped with an automatic die bonder, wire bonder, epoxy...