... ,machineries,etc. Item Namehigh quality socket head cap screws ,precision high quality socket head cap screws,thread socket head cap screwsBrand NameJIA CAIMaterialStainless ... rolling machine,taping dring machine etc.Advance Measuring equipmentroughness tester,hardness tester,concentricity tester,projecting apparatus, etc. Usagecomputer parts,home appliances parts,electrical ...