Step company will attend in 2018.7.31-8.2 "2018 shenzhen international Internet exposition exhibition (summer)" main display product power type lithium manganese dioxide button batteries, compared with the ordinary battery, improves the load resistance of the battery and discharge platform, is equal to increase the available capacity of the battery. Especially suitable for RFID, Internet of things, peaceful city, safe campus card, wisdom and retail and other hardware products as driving power. Such as electronic price tags, security tags, campus card, bluetooth card, etc...