Shenzhen ChinaAuspicious Technology Co., Ltd. focus on "Dr Deng"(3 lines built-in line)portable power bank . We covers an area of 7000 square meter and has a professional staff of 300 with its two factories located in Shenzhen and Meizhou in China. With more than ten years experience, ZKX has been armed with advanced imported equipments and featured an professional team who got rich experience in design, technology and quality control, which make us to be an excellent supplier of USA, UK, Germany, French, Italy, Brazil etc.Certificated by ISO9001, we have built up an efficient ISO and RoHs operating system which guarantee your satisfaction at our highest quality and best service. Meanwhile, we also have gained good reputation from our customers. The perfect management and strict practice have proved that our passion team would satisfy you with high quality, superior service, punctual delivery and reasonable price. We are ready for your inquiry and business cooperation, please feel free to contact us at any time.Creating Value That Increase Customer Competitiveness!