With the adoption of distinctive technique, this opaque quartz glass tube has its typical characteristics of good visual aspects and stable physical and chemical properities. It severs as material of infrared heating for heaters, micro-wave oven, electrical baking oven, car paint baking, sterilization container and other consumptive and industrial infrared application. Futher processing of trim cutting, bowing, bowing, firepolishing can be done according to the demand of the customers.