北京信和瑞豐科技有限公司，為中國智能委員會委員，專門從事樓宇自控產品的研發、生產、銷售和服務的高新技術企業有多年的樓宇自控領域的相關經驗，專注于“樓宇自控和變風量（VAV）系統”。
  我公司于2002年成立至今，一直致力于對樓宇自控和變風量（VAV）系統的研究和開發。自2004年推出具有獨立知識產權的WinSmart BAS系統后，廣泛應用于賓館、飯店、寫字樓及商場等領域，得到用戶的好評，同時被北京市高新技術產業開發區認定為“高新技術產品”，獲得多項專利評審并通過ISO 9001質量體系認證。
同時我公司為日本山武公司華北區的系統首席代理商，向用戶提供山武公司全套樓宇自控產品，包括系統控制軟件、DDC控制器、傳感器、電動調節閥、蝶閥及風閥執行器等。  
   Beijing Credit Ruifeng Technology Co.,LTD(CRF), one of Intelligent Building Committee of China Construction Industry Association, focuses on research, design, manufacture, and services in the HVAC controls. We have nearly 10 years of relevant experience in the HVAC controls.
   Since our founding in 2002, we have been engaged in the research and development (R&D) of the HVAC controls. The WinSmart BAS System was identified as “new and high-tech product”by Beijing High and New Technology Industrial Development Zone.
  At the same time, as the chief agent of Yamatake corporation of Japan in the North and East of China, we provide all Yamatake’s BA products, including BMS, DDC, sensors, control valves, butterfly valves, actuators and etc.