1)Punching Part 2)OEM DEM 3)Rich Experience 4)Competitive Price 5)Best Service Punching Part:1)Programs for the drawings : Solid works, PRO-engineer (igs*, x-t*, step, *STP, stl*), CAD, JPG*, PDF* files2)Surface treatment :DemurringBurnishingPaintingPlating3) Proceeding :1> the clients provide the drawings and specification2> Negotiation on the quality, price ,material ,delivery time,payment term ...