... 2.15 year experiences of investment casting for pad lock. 3.R&D pad lock Description:1. Name: Carbon steel lost ... 6. Finish: shot blasting 7. Dimension: According to customer's drawing or sample 8. Application: Auto part, machinery part ... : ISO9001:2000 ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45#, 40Cr,ect ...