应广州市白云区公安分局的邀请，今天我公司员工来到公安分局训练基地六楼，对电梯厅地面
                                                                                 抛光砖进行打磨翻新晶面处理。（如下图）
                                                                             
                                                                                         被酸性清洁剂污染的抛光砖地面                                                                切缝补胶

                                                                                
                                                                                                             抛光砖打磨                                                                            晶面护理  
           
                                                                                                     
                                                                                                                                                  抛光砖护理后效果