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, LCD back lights, remote controllers and photoelectric switches. These products are widely used in elevators, office equipment, meters, cameras, home appliances, motors, traffic control devices, and related applications. 







With a 5,000 square meter factory, we are equipped with an automatic die bonder, wire bonder, epoxy dispenser, temperature-controlled vacuum oven, sealer, hydraulic pressure punch, and various types of testing instruments. The latter of these items include, but are not limited to, automatic testing machines, wave length testing machines, and electrical product aging equipment. 







Outputting 3 million pieces every month, we have implemented comprehensive quality control procedures to cover every aspect of the production process. In addition to using the aforementioned QC equipment, we also have skilled quality assurance staff conducting regular product testing on the basis of our stringent in-house technical standards. 







Now having annual sales worth over USD10,000,000, we are pleased to invite companies form home and abroad to cooperate with us. Welcoming your inquiry by phone, fax, email or visit to our factory, we hope to become your business partner in the near future.