品質性能

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Products manufactured and sold by our company meet and have received the JIS, JAS and AQ certifications.


What is the AQ certification?


The AQ certification objectively evaluates and certifies new wood construction materials and the like for their quality performance. It is a certification provided by the Japan Housing and Wood Technology Center with the aim of offering products with excellent safety and interior comfort to consumers. Certified products should display the AQ mark.