Shenzhen city's yelber software limited was established in 2009 and its headquarters is in shenzhen. It has more than 10 technology developers in soft and hardware. Founded the entrepreneurship contest in shenzhen city in 2009, second in the team. The company's core team, which is on average only 28. 5 years old, is a dynamic, technology-seeking group of companies seeking to create. In march 2017, a stand-alone brand of tudu shared recharging was created. By december 2017, more than 20 cities had been established, with more than 50 urban partners, and some 50,000 equipment had been put in place, beginning in october. Based on the sharing of chargeable treasures, the company is committed to the overall programme development of the net + soft and hardware. There are currently more than a dozen patented technologies in favour of companies, including two invention patents, more than 10 practical new patents, three soft ones and two appearance patents. Shared recharging treasures, shared...