One of the world's top 500 companies and one of the world's largest engineering companies. FIG has invented and created many products and technologies, including the world's first three-phase transmission system, the first self-cooling transformer and electric industrial robots. FIG has also been involved in the construction of many national key projects in China, such as the construction of the Three Gorges Power Station, the power transmission and distribution project, and the reconstruction and expansion project of the Capital International Airport.
 
FIG's building intercom system mainly includes all-digital HD series, all-digital H series, all-digital HB series and T series. HD series is FIG's flagship series, the biggest selling point of this all-digital high-definition building intercom system is the 1080P high-definition intercom system, with more than 10 million pixels of ultra-wide angle 130 ° camera, F1.8 large aperture and intelligent exposure technology, compared with the more common 2 million pixels, 1024 x600 resolution indoor unit equipment, its video image has obvious advantages; In addition, it can also be seamlessly connected with the FIG smart home control system, which can not only realize basic functions such as switching or adjusting the brightness of lights, controlling curtains, adjusting the ambient temperature, etc., but also voice and picture messages, sending and receiving emails, tracking the latest news, etc., with mobile devices, to achieve all-round control of the home. It has more powerful functional advantages in terms of intelligence.
 
Another major advantage of FIG is that it has a wide range of products, which can meet the needs of different levels, and the price of the most basic T series is generally about 600 yuan.