ancient gold refining process machine
Silvering is the chemical process of coating a non-conductive substrate such as glass with a reflective substance, to produce a mirror.While the metal is often silver, the term is used for the application of any reflective metal.. Most common household mirrors are "back-silvered" or "second-surface", meaning that the light reaches the reflective layer after passing through the glass
Onte Machinery is an enterprise specializing in the production of
various crushing, sand making, grinding, mineral processing
and building materials products. After 40 years of development,
it has become the production and export base of China's mining machinery industry.