Putra Mandiri smart home industry made a special cleanser and Porcelain bathroom tiles. With a product called "Smart & star Cleaner". Smart & Cleaner star is a formula and Porcelain tile cleaners with their own formulations of Independent typical smart kid. the ability of our products is the Smart & Cleaner star crust is useful to clean water in a ceramic or porcelain bathroom, where we've tried cleaning it with different brands productlain, but can not completely clean. so by using the formula Smart Dust & star of this bathroom will be clean again as new, although the scale of blackened or yellowed in your bathroom is thickened and chronic.