1. Main materials for the coffin body: fir wood, plywood (plywood). 2. The main materials of the coffin body must all meet the national environmental protection requirements. 3. The product can bear A load of over 200 kilograms. 4. The product was internally loaded with 150 kg and dropped from a height of 50 CM without any damage to its structure. 5. The overall structure of the product remains undamaged when subjected to external force impact (with a thrust of 50 kg and maintained for 1 hour, the coffin structure remains.
