... -rust,oxidation,etc 4.Application:mechanical partsHigh quality cnc mechanical part Qingdao Jingliang MachinerySpecifications:1. Material: Carbon steel, Alloy Steel, Stainless steel, Copper ... .5. Application: Auto part, Medicine part, Machine part, Building part,construction machinery parts, etc. Advantages :1. Over 11 years experience2. High quality control,Competitive price, Fast ...