... machining 4.Tolerance:+/-0.05mm High quality cnc machining superior copper pipe sleeve produced by clients' drawingsOur Advantages :Over 12 years ... : 510mm*1020mm*500mm Our OEM Serivce : 1) Material:Steel, Brass, Copper, Stainless steel, Plastic, Aluminium POM, Delrin, Titanium Alloy etc.2 ...