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                                                     

                                              
                                                                                                抛光砖晶面护理效果