Machning parts,ISO9000/9001/9004/2000Certification,we can offer you samples after you accept our price. We are specialized in all various kinds of mechanical components, machning parts, casting parts,etc .1). Material: carbon steel, alloy steel, stainless steel, aluminum,etc.2). Finish: black oxide, zinc/nickel/chrome plating, power coating, passivate, oiled to prevent rust, and so on.3). High ...