... -rust,oxidation,etc 4.Application:mechanical partsHigh quality cnc mechanical part Qingdao Jingliang MachinerySpecifications:1. Material: Carbon steel, Alloy Steel, Stainless steel, Copper , Brass, Aluminum,etc2. ... corrosion,etc4. Standard: OEM manufacturing as per customers requirements or drawings.5. Application: Auto part, Medicine part, Machine part, Building part,construction machinery parts, ...