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Record the continuous progress of Hongkui metal

Whats the general weight of copper ingot?

Crude copper: Non ferrous metal industry standard of the people's Republic o......

MORE2022-05-25

Problems needing attention in polishing brass

The essence of brass polishing treatment is to use the effect of chemical change......

MORE2021-10-21

Copper bar welding process

Surface treatment method and processing technology of copper bar metal: 1. Paint......

MORE2021-10-21

Use of copper

The conductivity of copper and electric copper is second only to silver and high......

MORE2021-10-05