Stark Industrial Group Co.,Ltd, was established in 1999, with over13 years experiences focused on production and sales ofcylindrical Li-ion and Li-polymer battery in China.Shenzhen Stark Energy Technology Co.,Ltd started from 2011 andmajorly in Li-ion battery assembly technology. We can provideone stop service for portable power, power banksolutions included ID,3D design, structure development. By nowa professional and strong R&D team has been built up-qualityengineers, structural engineers, electronics engineers andsafety test as well as final assembly. With two assemblylines, our production capacity now is 5,000-10,000 pcs per day.Our commitment is to use our professional Li-ion batterytechnology to develop the perfect and ideal power banks. Withour professional facilities, strong QC team, R&D team,quick response, fast delivery time services, wehave earned good reputations from North America and WestEurope clients. It's our aim to power up your whole life.