... Alloy steel ,Brass , Bronze , Copper, Aluminum,Carbon steel or customer specified material. 3.Finishing Treatment:Anodizing, Electroplating, Sand ... and frame, Blister packing, Carton, Plastic box or bags, Pearl cotton or according to customer requirments. 5.Quality Guarantee ... Non-standard/standard/OEM/ODM/customized service provided.(1). High precision: tolerance can be meet the request ±0.005mm ...