Shenzhen Queenstech Co., Ltd is a company with R & D ability,professional in charger,power bank and PVC products,which founded in 2006, the company has passed the international quality system BSCI certification, located in Shenzhen City, Guangdong Province, with advanced equipment and excellent technical worker, the products are sold well all over the world. All the product with CE/FCC certificates.We are focus on quality and services,we believe quality and best services can help you win more markets.Choose us,we can be your reliable partner。