Besk Technology (Shenzhen) Co., Ltd is a professional manufactory of power banks.We have a 3000 square meters quality and professional factory with 4 product lines located in Bao`an, Shenzhen. We have vast experience and expertise in the retail, service, mail-order, corporation, government fulfillment, and import and export. Our direct supplier relationships and logistics are second to none. All this provides us with the important and competitive edge which is passed on to our customers. When you purchase from us, you can take comfort from the fact that you are buying from a well established enterprise. Our Mission To offer the best range of new and exciting powerbanks fresh to market, at the competitive prices. To provide the best source of information which enables our customers to make the right product choices; To save our customers money, time and hassle; To offer our customers the fastest and most efficient delivery service directly to their location; Our Advantages Superior Quality: Our Quality Control department employs around 10 workers, who have systematic knowledge ofISO regulations. They also have abundant professional quality testing, production controlling and manufacturing experience. All of our materials and components must pass incoming quality control (IQC) inspection, small batch quality testing and control, in-process QC, on-line QC of finished products, in-depot QC and out-depot QC before shipment. Each QRAT (Quality Reliability Assurance Test) is conducted in line with our own stringent measures. Pursuing the goal of "100% passed and 0% returned", we will continue to follow international standards to provide customers with satisfaction. Faster Response/Delivery: 24 hours' customer service available from Monday to Saturday, finishing OEM/ODM project evaluation in one week; Order / Sample sent by courier, such as UPS and FedEx, arrived at your doorstep within 5 days, 1-3 weeks to finish sea shipment, shipment insured for successful delivery and trackable online.