Speed Photo Technology Ltd is one professional company that design, product and selloptical passive devices . These products are used in optical transmission, metropolitan area networks, broadband access, fiber-optic local area network and high-speed optical communications. 　　Speed ​​Photon Technology Ltd setsproduction base and R & D center in Shenzhen The sales center locate in the San Jose California,USA.Meanwhile,we have Financial centers in Hong Kong; 　　Speed ​​Photon Technology Ltd has experienced R & D personnel and experienced management team.we Committed to outstanding design and perfect quality control to providecost-effective, high-reliability products for customers. Speed ​​Photon’s main product Compact CWDM WDM,CWDM,WDM,Tap Moniter,VOA,Switch&h...