1. Materials: Quartz glass tube (silica content 99.99%) 2. For cutting quartz tube, our company develop advanced equipment to cut, clean, packag, etc. As the first-class technology, we use import diamond cutting disc and ultrasonic cleaning equipment to ensure that every specification of the consistency of a product from the aspect smooth, flat, the appearance of cleanliness have access to customer recognition and praise. 3. This kinds of quartz tubes are widely used in electric light sources, semiconductor, metallurgy, chemical industry, electric power and other fields.