Applied for making filamen,shock-resistance filament and other high-temperature-resistance devices.
HW71
Applied for making auto lamp filament and other anti-shock devices.
HW61
Applied for making coiled-coil filament.
HW31
Applied for making coiled-coil or trispiral CFL filament,incandescent filament and support. Applied for making stranded tungsten wire,tungsten heater element Applied for making stranded tungsten wire,tungsten heater element and other no special temperature required devices.
