The utility model relates to a pair of metal wire coated billet welding equipment to quickly replace tungsten rod devices.

Tungsten steel watches with high hardness, wear resistance, strength and toughness, heat resistance, corrosion resistance and a series of excellent properties, especially its high hardness and wear resistance even at 500 ℃ temperature also remained unchanged in 1000 ℃ is still very high hardness, good gloss, metallic feeling strong, so tungsten steel couple watches more noble fashion.

Gan small boxes bromine tungsten lamp light movie projector actual screenings and method of operation.

Carbon steel is mainly used in the manufacture of tungsten bearing smaller parts, wire, hoops, horn, cotter pins, rod, stampings and welded parts.