Tungsten heaters are metal products made of tungsten wires. They have some properties, such as high corrupt-resistant, better high-temp properties and stability, long use life. 

Brand: W1 
Used for mirror making, aluminum vapor deposition on plastics 

Brand: WAL1 
Used for mirror making, aluminum vapor deposition on plastics or on white and balck and color picture tubes

samples are available for testing. producing according to customers' requests.