... 2) Standard and stable material Die casting Valve Body( used in ships,marine,tractors)1. ... : Zhejiang, China (Mainland) 9.Model Number: LD010-valve part 10.Brand Name : Longda 11.Material: Carbon ... Dimension As per requirement1) Product name: Die casting Valve Parts used in ships,marine,tractors2) Materials: ... 10.9, 12.9 etc.5) Surface treatment: Chrome plated, ZINC, Protective oil (black or clear), ...