... per daysUsage:When repair false nails, grinding back and forth. But When repair really nails, not in ... the same place grinding back and forth, this will hurt to nail or causes ... amid the true armour, lest hurt really armour.Why us :1. We have our factory for producing them.2 ... are exported to Europe, North America, Japan, and other countries and regions of the world.Our goals: Mutual benefit ...