长沙钟先生来我公司学习大理石打磨翻新护理技术
                                                                            
                                                                                            石材地面开缝补胶实操培训                                 龚经理为钟先生讲解MS-725石材翻新机操作要领

                                                                            
                                                                                      钟先生亲自操作MS-725石材翻新机                                      用MS-120全能抛光膏抛光后效果