Congratulations on our company being awarded the title of "National High tech Enterprise" and "Diligent and Profound, Diligent and Far sighted" ！ In recent years, Quanyu Da has closely followed the trend of digital development in the industry, increased research and development efforts, and continuously innovated derivative new products and service models while doing well in module products. The existing product line covers RF positioning solutions such as GPS module for outdoor positioning, Beidou module, GPS+Beidou module, GLONASS module, Beidou-3 positioning module, high-precision inertial navigation module, RTK high-accuracy positioning module, RTK high-accuracy position service terminal, NFC near-field communication module, RFID far-field communication module, etc.