KAYO battery co., ltd (KAYO company) is one of the good-sized battery manufacturers in China, it is established cooperatively by China Dali corporation and Japan KAYO technology joint-stock company which has 30 years' battery researching experience. KAYO company has two production bases in Guangzhou & Shenzhen, following and cooperant company totally have more than 5000 staffs, major products include Polymer Li-ion, Li-ion, Ni-MH, Ni-CD, Li-MnO2, alkaline(environmental protection) batteries and chargers. The batteries cover quadrate, cylindrical and button cell, over 200 models, output day-by-day more than 500,000pcs.