... requirements:Meeting GB3875-83,ASTM B760-86 Applications: tungsten electropolar plates. Designation:W1,W2Technical requirements:Meeting ... 86Applications: it is widely used in tungsten electropolar plates,tungsten boats,tungsten heat shields and heating bodies for electro ... wires,tubes,ciucibles,targets,discs,electrodes and downstream products.The company has advanced technologies,superior machines& ...