... are produced according to customer's design and requirementsMaterial: Carbon steel, Stainless steel , Brass, AluminumFinishing: Black, white and yellow zinc, black ... engineer.Quality standard: ISO 9001:2008Established in 2004Work flow:Stainless steel washer Product profileScrews sort: Machine screws, Self tapping screws ... , Spring washer,Star washer,Tooth washer etc.CNC parts Stainless steel washer