Production of Various High Strength Spring Mat Handan Debaiyi Fastener Manufacturing Co., Ltd. Base Info Type:Spring WasherMaterial:SteelCombination Washer Structure:A TypeOrigin:China HandanHS Code:7318210000 Description Pre:Carbon Steel Coated Phillips Flat Countersunk Head Self-Drilling Screws Next:Fittings Elbow stainless steel Fitting Bathroom Pipe Fitting