hard enamel

Description:

Hard enamel is a hard, glassy substance or opaque composition used in coating the
surface of metals and that grounded to powder and applied by fusion on copper surface.
It is similar to what the dentist used on the outer coating of teeth. Hard
enamel has a long history in China. Up to now, we still use it because of its
high quality and durability. It could be kept in its best quality over 100 years
and resistant to scratch, heat, humidity & acidic chemicals.

Place of Origin:	China Mainland