We are Shenzhen Langsiteng Technology company, established in 2015, located in Shenzhen China. Are specialized in the research, development, sale, and service of Phone accessories, such as Power Bank, Solar Power Charger, Phone Case, Charger, and Speaker. We have excellent teams who focus on product development & design, quality control & inspection, as well as company running. We have obtained C E, F C C and RoHS certificates. In order to supply the satisfactory products and services, we dedicated to strict quality control, high quality material, one stop processing, perfect packaging, 100% testing before shipment. We have full experience to satisfy your requirements, 24 hours response your inquiries, customize your logo and packaging box, we also can do drop shipping and F B A shipment to build up your business. Our products are very popular in the market, good selling all over the world, such as U S, Europe, Canada, Middle East, South Africa, India, and Asia. O E M and O D M orders are welcome, Guaranteed your orders safety delivery in time. Help to improve your business and make great.