SinoyMirror ISO9001 international quality management system based on strict management of product quality: Glass Mirror Products Standard: National Institute of Standards GB/T-23148-2008 civil decorative mirror silver mirror the national building materials industry standard JC/T871-2000 test items: Specifications the thickness of coating layer thickness of primer coat weight thickness of cell adhesion to spend CASS test test test scratch-resistant neutral salt spray test wooden fastness tests. Storage until after all the tests pass.