| 1. | Weifen shek series of quality products , fully promote , not pollution , and natural stone than physical quality permanent stability , more naisuanjian corrosion , not faded , not deformation , surface smoothness of 70 %
微粉石系列产品内质完全玻化，不易污染，与天然石相比，理化品质恒久稳定，更耐酸碱腐蚀，不褪色，不变形，表面光洁度达70以上。 |
