What documents do you need to produce a lock?
Home lock, mortise lock, car lock, chain lock, garage lock, safe lock, electronic lock and so on, according to your customer needs, technical ability, production capacity to decide it, free market free choice.
However, certain markets require access to standard certificates
Such as the European market EN certification, CE certification and so on
If you own the lock, look at what type of lock you produce
Production lock itself does not require documents
