40-20 and 60-40 Surface Quality difference of sapphire glass?
40-20 and 60-40 surface quality refer to two different […]
40-20 and 60-40 Surface Quality difference of sapphire glass? Read More »
Uncategorized
Why is sapphire glass often used in the watch cover?
Sapphire glass, also known as synthetic sapphire or sap
Why is sapphire glass often used in the watch cover? Read More »
Do you know how to make the frosted glass (acid etching process)?
Frosted glass, also known as acid-etched glass, is a ty
Do you know how to make the frosted glass (acid etching process)? Read More »
Why frosted glass lens is commonly used in lighting fixtures?
Frosted glass lenses are a common feature in many light
Why frosted glass lens is commonly used in lighting fixtures? Read More »