5003 precise size water meter glass cover is a special water meter shell, each key size can be ±0.2mm, the appearance is clean and tidy, no bubbles and other defects, suitable for some water meters need high precision shell.At the same time, the performance strength of this product can reach 50g steel ball 70cm free fall on the surface of the product, the product does not crack and does not break. In addition, this kind of glass can be used in the environment of -50℃ to 200℃, the heat resistance is very good.The production capacity of this product can reach 8,500 units a day, which can meet most of the demand.