China Pure Tungsten Rod (HW31, HW61) /High Purity Tungsten Bar/Tungsten Electrode, Find details about China Pure Tungsten Rod, Vacuum Coating from Pure Tungsten Rod (HW31, HW61) /High Purity Tungsten Bar/Tungsten Electrode
Type | Application |
HW91 HW71 HW61 | Applied for making filament, cathodes, setting rod at H. t, electrode etc. |
HW31 HW42 HW11 | Applied for making lead, support, typing needle. |