How much does it cost for replacing the nozzles and gaskets of plasma (consumables)?

The price of a set is about RMB 60 , You need to replace the nozzle everyday,so it save a lot in consumables if you change to laser cutting machi
Writer: Update:2019-03-06

How much is the ceramic ring and focus lens of the 3000 watts laser cutting machine?

The cost would be $10-$20
Writer: Update:2019-03-06