... 2.China Top brand,CE,CCC,ISO9001,ISO14001 3. Oem service Box body and cabinet: Adopt 10mm-thick superior quality steel plate ... and round steel cross shaft, latch on 4 sides of the door so as to have multiple safety.Automatic locking ... hourMultiple technical patents: Professional design, fine elegance, perfect combination of multiple patents including multi-locking and appearance patent, and unbeatable ...