Shenzhen Only Optoelectronic Technology Co., Ltd, is a Comprehensive and High-tech LED display manufacturer & specializing in developing, manufacturing, marketing and after-service for LED outdoor and indoor display screen for advertisement, we have many designs for option. We are strongly supported by a team that consisted by dozens of experts and senior engineers of the LED industry. We has a manufacturing center that occupies more than 2000m2.We have gained the ISO9001-2000 certification and our products have passed the tests IP66 and Wt066000101 . Our company was honored as ��igh-Tech Enterprise��by the Shenzhen government in 2006. Now we can totally manage the advanced technology of LED in Japan through the cooperation with OEM, which is a leader in this industry. What�� more, we keep improving and updating, hope can work with you together!