BLUE KEY has manufacture testing equipment for lithium battery energy storage applications large and small for over 20 years,we are the High-Tec Enterprise which focus on automatic formation solution for battery giga factory,and produce lithium battery charge discharge performance testing & formation grading instruments,since the company founded up,we endeavour in research,developed and manufacture of ev power lithium batteries formation,testing and experimental analyzing instruments,meanwhile we have created closed relationship with several wellknown research institudies and universitys in China,this eternity hard job make us ahead the industry competitor in the battery testing instrument market.And today we became the largest rechargeable battery tester manufacturer at China!