... certificate: environment-friendly borosilicate glass, nontoxic and inodorous,safe for food, have passed the green food inspection.Product Featrues:Using ... decay resistance to the acid, alkali chemical substance.Easy for cleaning, don’t absorb the tea flavor.Mainly used: used ... tea,fruit tea and Blunt tea utensils , Widely used for coffee,hotel,teahouse,Western restaurant such as place, Have high ...