RITAR International Group established in 2002, it has 4 Lead Acid & 2 Lithium Battery and 1 charger plants in China & Vietnam that manfacuring AGM , Gel, OPzV, OPzS, LFP, Sodium-ion battery, RESS &ESS, and smart cargers. Ritar has CNAS laboratory, 200+ invention patents and 6500 employees all over the world.