Material: Carbon Steel、Alloy Steel、Stainless steel、Aluminum、Brass
Operation: Cold Forming、Cold Forming+Secondary Operation(Threading, Drilling, Milling, Knurling, Stamping)、Hot Forging、Turning/Machining、Spring Bending
Heat Treatment: Case Hardened、Annealing 、Quench and Tempering
Surface Treatment: Coating、Electroplating、Patch