Wuhan Voltec Energy Sources Co., Ltd. is a professional manufacturer and exporter in China, specializing in producing Primary Lithium Battery. We have the advanced Switzerland ＆Canada machine imported and full-automatic production line. Our main products include: Lithium Thionyl Chloride Cell. ER14250, ER14505, ER17335, ER18505, ER26500, ER34615, ER14250C, ER14505C, ER26500C, ER34615C. ER14250M, ER14335M, ER14505M, ER17335M, ER18505M, ER20505M, ER26500M, ER34615M?