77346724
Dec 7, 2007
Jan 6, 2009
Graphite crucible made of crude graphite, which is used to melt non-ferrous metal and alloy in the metallurgical industry, to preserve heat for non-ferrous metal in the casting and die casting industries, for producing alloy wheels, pistons, cylinder ends, and brass alloy rings for automobiles and motorcycles, and for melting precious metal such as gold and silver
Environmental Control Apparatus