In recent years, depending on continuous independent innovation, Hengda's products have been expanded from audio guide devices to more than 20 product series and systems, such as the smart tourist system, smart group- guiding system, smart audio guide service system, smart management system, wireless group- guiding device, Internet of Things application system, etc. The products are widely applied in various museums and scenic areas.
Currently, the R&D center of Hengda has already equipped with perfect R&D and test equipment system, and has had in- depth study in many technical fields, such as the RFID technology, low- latency digital wireless transmission technology, high- speed embedded system, digital audio base band, etc. They then soon apply R&D achievements to new products.