... controlled 4, Secondary process available 5, Weight:0.10~50kg Sand casting brass partsAbout usYaopeng was founded in 2005 as a ... , , Aluminium2) Surface treatment:Zinc plating, Anodization, Chemical fim, Powder, Passivation, Sand blasting, Brushing & ploshing etc.3) Our services:Machining, Turning, Milling ...