... clip on, hydraulic, soft closing pass 48 hours salt spraying concealed hinge 1. pass ISO Certified and SGS 100,000 times ... , steam room, bathroom cabinet, bath racks and sanitary like toilet, urinal, etc. And all our goods own COMO patent brand which ... -6722 2888 ext 8023 Trademanager:comoshFax.: 86-21-6722 2100 concealed hinge