Dongguan Doubwin Industrial co.Ltd, we registered in 2018 specializes in R,D manufacture and Trading of Electronic led door plates,touch switchestact switches,hotel RFID locksfingerprint locks,password lock.etc. br we are ceaselessly improving its after sale service all products have 3 years warranty period. ;brGreat production capability> high item quality assurance and excellent service are basic guarantee to our development. We warmly welcome customers home and abroad to our company for a visit and discuss business are willing to conduct OEM and ODM cooperation with you.