Shenzhen ORENA Photonic Technology Co., Ltd is one of top 3 fire alarm product manufacturers in China. We have been in fire and safety business for more than 10 years, developing fire alarm control panel, photoelectric, conventional and addressable smoke, heat and gas detectors for both professional and residential markets. We offer an extensive product line to choose from with a competitive price range. ORENA has also been an OEM/ODM manufacturer for years for major market players in the industry like Silent Knight, Kidsmart, Home Depot etc. We have a very well-established manufacturing facility as well as an R&D department. We are ISO9001 certified company and hold major international approvals like UL, CE, FCC etc.