UNION (VOLTA) battery was born in 1977, and the quality was approved by Korean PTT in 1983 as well as by American UL certificate. UNION (VOLTA) battery was used for standby power application in 1986 Seoul Asian Games & 1988 Seoul Olympic Games. Up to now, UNION (VOLTA) has established production bases in Korea, India, Iran, Vietnam as well as in China-FOSHAN UNION BATTERY CO., LTD.Foshan Union Battery Co., Ltd is founded in 1988, and we are one of the earliest manufacturers in China，specialized in producing Sealed Lead Acid Battery. Our production & testing equipments were imported from USA & Korea. 20% of our… MORE