TIG,plasma welding tungsten needle grinding-tungsten needle machine operation video.

Russian geologists discovered mysterious "metal screw parts together contain modern technology can not produce the" tungsten amalgam ", exactly 100,000 years ago, what kind of civilization Urals exist before?

Tungsten Ball: (also known as carbide ball, tungsten alloy ball), the main ingredient is a tungsten-cobalt alloy (WC-CO) high hardness, HRA90-92, good abrasion resistance, wear resistance is a ball of several times to a hundred times. YG6 carbide ball is widely used in a variety of hardware industry, valves, bearings, die casting, punching pieces, grinding, measuring.

Tungsten ore process.