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Test report showing general and heating properties of Hoya Ondol panels conducted by KEAA.

Strength of the material and its properties certificate - description

Test report conducted by FITI showing mon-flammability properties of Hoya Ondol panels.

Test report conducted by KOTITI showing mon-toxicity properties of Hoya Ondol panels.

certificate description - non-radioactivity

certificate description - non-radioactivity

certificate description - compressive strength