Refurbishment of the shenzhen drilling network technology company ltd. Was officially launched in june 2016, with its headquarters in shenzhen, guangdong, an internet o2o platform dedicated to mobile phone maintenance and recycling, focusing on providing professional, easy-to-hand mobile phone-to-home maintenance services to a wide range of users. The headquarters has a professional mobile phone maintenance engineer who is familiar with the internal structure and working principles of the various brands, can make a quick and correct judgement based on the customer's description of the cell phone problem and then provide a one-stop solution, which normally allows mobile phones to return to normal use in 30 minutes. Clients can conduct mobile phone maintenance appointments directly online, and the system automatically sends a single to the next-door teacher, provides rapid maintenance services, specialized technology, transparent maintenance processes, and makes customers more trusted...