... : cnc machining 4.Finish: Zinc/Chromat nignbo factory cnc precision machining stainless steel pulley Our Advantages :Over 12 years experienceHigh quality control,Competitive ... range: 510mm*1020mm*500mm Our OEM Serivce : 1) Material:Steel, Brass, Copper, Stainless steel, Plastic, Aluminium POM, Delrin, Titanium Alloy etc.2) Surface ...