In order to avoid people’s health being threatened, the filling materials in the wooden fire doors are non-toxic and environment-friendly fire insulation materials, which not only reduce the production cost, but also achieve energy conservation and environmental protection. The fire resistance of wooden fireproof door shall not be less than 0.6 hours.

Varavaran’ny afo ZHTdoors, traikefa famokarana 31 taona amin’ny varavarana afo sy Windows. Ny UL lehibe varavarana afo, EN varavarana afo, BS EN afo varavarana, sns.