Tianjin Hengsheng New Energy Technology Co., Ltd. was founded in 2016 and was located in Tianjin. We focus on designing, researching and developing, manufacturing and selling ebike battery boxs, ebike cell phone holders,and other ebike parts. sold more than 100 countries, like, the United States, United Kingdom, Russia, South Korea, Philippines and so on.Our company promises: reasonable price, short production time and satisfactory after-sales service.Mutual development, Mutual benefis.Welcome to contact with us!