... .refrigeratory storage door lock 2.handle door lock. 3.good quality ,competitive price 4.certificate :ISO9001 1.Locking gear, handle door locks,trailer door locks2.casted ... cold or hot galvanized surface3.used for container type trailer door locking systemswidely using ,superior qualitypacking with carton, easy and ... person : tom yu,13583135936 hinged freezer doors cold room lock for cold storage door