... ISO certificated 3, High quality controlled 4, Secondary process available 5, Weight:0.10~50kg Sand casting brass partsAbout ... , and Casting. We are committed to provide high quality products at competitive price according to your drawings and ... Surface treatment:Zinc plating, Anodization, Chemical fim, Powder, Passivation, Sand blasting, Brushing & ploshing etc.3) Our services:Machining, Turning, ...