... 3.R&D pad lock Description:1. Name: Carbon steel lost wax casting pad lock 2. Technology: lost ... : ISO9001:2000 ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45 ... , drilling, turning, planning, grinding machinery and three-axle machining centers.Test Equipments:Hardness tester,Chemical analysis,Digital Measuring ...