Saloon Bar Decoration Stone will change dark after the guesthouse upscale hotel undergoes a period of time use.After the guesthouse upscale hotel undergoes a period of time use, on the stone material will have the stone material will change dark. Because the guesthouse upscale hotel service is busy, does not allow to hold the too much time to stone material nursing, therefore it is wise to use Dubi Shi 2000#3000# to increase the colorful Canadian hard medicinal preparation to process. If the stone material harm is serious, superficial glossiness vanishing phenomenon. If encounters such situation, then needs to use Dubi Shi the polishing powder +f66 real light medicinal preparation to carry on polishing. In the polishing powder includes the oxidant like aluminum oxide or the tin oxide tiny pellet, its essential component includes the superficial oxidation activeness not to contain the acid. Manual polishing being suitable guesthouse building bathroom, kitchen small area surface, but machine polishing uses in the big area surface non-gloss the region.