... tested and approved by European and American Quality Testing System, in accordance with GB/T17748-1999, ISO9001: ... also available)4. ISO: 9001:2008 Quality Mangerment System Certification, GB/T17748-1999 standards.5. Product features ... Curtain Wall decoration, signboards, like commercial centre, offices, banks, cladding, facades, roofs, ceilings, bathrooms, kitchen cabinets and balconies, partitions ...