​板材检测获全球5项严苛认证。每一块纳色板材都经得起考验。合作公司先后获得FSC可持续林业认证、NAF最严甲醛控制认证、F4星日本顶级健康标准、EPA全链环保认证及ENF国标无醛级认证。从木材源头到出厂成品，全程阻隔板材甲醛污染。

The board inspection has obtained 5 strict global certifications. Every piece of NASSA board can stand the test. ​The cooperating companies have successively obtained FSC sustainable forestry certification, NAF's strictest formaldehyde control certification, F4 star top-level health standard in Japan, EPA's full-chain environmental protection certification and ENF national standard formaldehyde-free certification. From the source of wood to the finished product leaving the factory, the formaldehyde pollution of the board is blocked throughout the process.