Process Integration
Yih Shan has over 40 years of experience in the high-precision metal parts industry, boasting extensive expertise in process development and integration. Our exceptional supply chain management capabilities allow us to collaborate closely with customers to enhance process technologies and optimize costs. With long-term, stable partnerships with our suppliers, we can swiftly integrate upstream and downstream processes, providing flexible, convenient, and high-quality one-stop solutions for various industries.
Raw Material Processes
  • Casting: Die Casting, Coating Casting
  • Forging:Hot Forging、 Cold Forging
  • Stamping:Deep Pumping、Progressive Stamping
  • Squeezing
  • Injection Molding:Precision Injection Molding、Overmolding
Machining Processes
  • Turning and Milling Composite
  • CNC Turning
  • CNC Milling (combined with the 4th Axis)
  • CNC Tapping
  • Grinding
  • Polishing and Grinding
  • Hob Cutting
  • Broaching
Surface Treatment Processes
  • Anodizing: Hard, Dyed, Natural Color
  • Passivation: Removal of Hydrogen Embrittlement
  • Dyeing Black
  • Electroplating
  • Phosphating
  • Polishing / Grinding
  • Powder Coating
  • Chemical Coating: Chromate Coating, Silver Phosphate
  • Sandblasting
Heat Treatment Processes
  • Carburizing
  • Gas Nitriding
  • Quenching & Tempering
  • Annealing
  • Normalization
  • High-Frequency Processing
  • Cryogenic Treatment
  • Vacuum Heat Treatment
Other Processes
  • Finished Product Assembly
  • Laser Etching
  • Laser Engraving
  • Laser Drilling
  • Deep Hole Drilling
  • Flattening
  • Straightening
  • Metal Injection Molding
  • Micro Hole Drilling