1.LONGSUN is a Chinese- leader in contact materials, semi-finished products 2.nearly 25 years experience 3.High quality

   LONGSUN offers a range of silver contact materials suitable for most applications where silver-based contact is the preferred choice -e.g. The range includes: Silver, Silver Cadmium Oxide, Silver Nickel, Silver Tin Oxide, Silver Zinc Oxide, Silver Graphite, Silver Tungsten and Tungsten Copper

    

     LONGSUN possesses decades of experience in the development of contact materials for the complete spectrum of applications of electric switches, from the electrical low load range up to high voltage switchgears. The development of new contact materials takes place mostly in cooperation with our customers and is customized to the technical requirements of the switchgear under development.

Silver and Silver AlloysSilver/Nickel (AgNi)Silver/Tin Oxide( AgSnO), Silver (AgZnO)Cadmium Oxide( AgCdO)  Silver/Graphite (AgC) Silver Tungsten, Silver/Tungsten Carbide ( AgW, AgWC)  Copper/Tungsten(CuW)

Contact Material