[Advantages of double-layer glass] As an important member of the product in the cup, it has gradually shown its advantages in drinking water. 1. The surface of the glass material is smooth, easy to clean, healthy and hygienic, and the glass is transparent and pure. When you drink tea and other beverages, you can see the shape and color of the bubble, which can bring good sensory enjoyment. 2, the glass has a certain role of cold preservation and heat preservation, can ensure the good taste of tea and repeated brewing. 3. The color pattern on the glass cup is changeable, the workmanship is fine, and the beverage in the cup is printed with the brilliance, which reflects the user's taste. 4, the glass can be delivered to a variety of high-end gift boxes, so that you have gifts and face. [Manufacturing process of double-layer glass] The cup body is made of high-grade glass by high-tech craftsmanship. It adopts a high-temperature firing process of 640 °C to reach the critical point of glass melting. It is transparent, pure and non-toxic, and adopts a return process to ensure that the cup can withstand the moment of hot and cold. Change, explosion-proof and anti-cracking, with high transparency, strong crystal feeling, wear resistance, etc., crystal clear, elegant and generous; at the same time double-layer glass structure, has a certain role of cooling and heat preservation, the cup mouth is smoothed by special process, drinking The taste is comfortable, and there is a tea house in the cup, which is more convenient to use, more reasonable in design and more humanized.