In addition to the high requirements for the sturdiness and environmental protection of the board, the marble furniture also has strict control over the radioactivity of the stone. For a long time, people mistakenly think that marble and furniture will have radiation, and there are some concerns when buying. In fact, natural marble is very low in radioactivity and does not cause harm to the human body. Highly radioactive is artificial marble furniture. In general, the darker marble will radiate more. Aluminum Coil,Aluminum Coated Coil,Aluminum Roofing Material,Prepainted Aluminum Coil SHAOXING YOTO IMPORT&EXPORT CO., LTD , https://www.sxyotoes.com