It's made of bronze powder, mold pressed in high pressure, sintered in high temperature and soaked in oil by vacuum. It's used in electric appliances, electric tools, textiles machinery, chemical machinery and automobile industry, etc.
It's made of iron powder, mold pressed in high pressure, sintered in high temperature and soaked in oil by vacuum. It's used in electric appliances, electric tools, textiles machinery, chemical machinery and automobile industry, etc.
