Shenzhen Heyotei Technology Co., Ltd. has been specializing in power banks for more than 5 years, with rich experience in R & D and production. In 2015, we registered a new company to do better business. In the last few years, low-cost low-quality batteries run rampant, and our company has encountered difficulties in the prices. But we insist on using high quality 18650 batteries and polymer batteries to ensure performance, capacity and safety, we do not have the lowest price but have very good products&＃39; quality.In 2016, Heyotei became the supplier of Pizza Hut to manufacture 1KK dolls power banks.Now, we are gradually developing some new products.OEM/ODM is available.