Shenzhen Istone Technology Co.,Limited, a profesional mobile accessories manufacturer.Main products:1. Power Banks2. Selfie Sticks3. USB Cables All of our products comply with international quality standards and are greatly appreciated in a variety of markets around the world. Besides, we have engineers working for new products research and development. Therefor,e we suport logo printing ,color printing etc. What&＃39;s more, we have professional sales team. Could provide professional buying introduction, good service and best price to you. At last, in order to increase customer satisfaction, all of our products are tested one by one before delivery.Our service:- Provide logo printing and color printing.- Full testing service from components,parameter,function,burn-in to packaging.- Fast response, any questions, will reply within 8 hours. Our promise:- Provide one-stop VIP service for each customers.- Do every order with superior quality, competitive price, professional and efficient service.- To treat every customers sincerely.