Use a hammer in order to test gold, platinum, titanium, tungsten gold ring material hardness.

Tungsten jewelry gold cross with silver cross comparison test.

Tungsten meteorite (Meteorite) is a universe beyond Earth unburned meteors from the original orbit to Earth scattered mixed material containing tungsten components, also known as "tungsten meteorite." Tungsten meteorite is direct human understanding of the solar system planets each rare physical specimen, valuable collections. Tungsten meteorite with no or unusual mineral assemblage, as well as the atmosphere through the burning of high-speed traces on Earth. Precious.

Tungsten gold extracted from the mysterious "tungsten meteorite", in trillions of years of his life in the universe can not be estimated absorption of light rays, which contains the magical energy is always difficult to decipher researchers. But only applied to tungsten jewelry industry, it has to make us feel this magical elements brought thrilling beauty. Gold too "old fashioned", silverware too common, extracted from tungsten meteorite "tungsten fashion jewelry", to overturn the traditional, mystical and stylish, make your own style unique.

Fortune story -tungsten men.

1978 tungsten mine newsreel Xihua mountains.

Tungsten gold video.

Glasses Glasses emerging carbon tungsten material with unique excellent material properties, ultra-light, super-tough frame with shape memory properties!

GTAW training and teaching videos.

Welder skill-other welding methods Description:TIG.

Square duplex Automatic welding machines, TIG welding does not automatically Holes video.