In 2016, due to the fierce competition of four-wheeled skateboards in the market and insufficient demand, DYU was forced to transform and upgrade, and began to develop new products to assist bicycles.
In 2017, while DYU was developing new products,LINGDONG INTELLIGENTProvide customized IoT smart Bluetooth solutions and APP solutions for Felunwell, making Felunwell's new products stand out in the market and become the first choice of many customers. In 2017, the innovation of Lingdong Smart helped Flywheel to sell more than 50,000 bicycles, and the sales increased by as much as 70 million.