He surface finish for the castings we can provide with are as the following: Blacking,zine plating, chrome plating and nichel plating for the carbon steel and the low alloy steel castings; Tumbling, hand dull polishing,mirror polishing, electrolytic polishing and passivation treatment for the stainless steel castings and sandblasting, including glass bead blasting, corundum-sand blasting and quartz-sand blasting form all the steel castings.

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