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Our Crazy Skills

Steel casting 100
Forging 96
Stamping 99
Die-casting 99
Machining 99
Power transmission parts 98
Bearings 98
Surface Finishing 98
Quality Control 100
Customer Service 100

  • MATERIALS

  • Steel
  • Iron
  • Aluminium
  • Brass
  • Bronze
  • Plastic
  • Rubber
  • Stainless steel
  • Zinc alloy
  • Ductile Iron
  • Bearing steel
  • Aluminium Alloy
  • Alloy Steel

  • TECHNICS

  • Casting
  • Forging
  • Stamping
  • Die Casting
  • Gravity Casting
  • Profiling
  • Extrusion
  • Injection
  • Machining
  • Turning
  • Milling
  • Drilling
  • Boring

  • TECHNICS

  • Planning
  • Tapping
  • Welding
  • Bending
  • Grinding
  • Slotting
  • Knurling
  • Riveting
  • Laser Cutting
  • Linear Cutting
  • Marking
  • Filing
  • Assembling

  • HEAT TREATMENT

  • Quenching
  • Annealing
  • Tempering
  • Normalization
  • Case Hardening
  • Induction Harden
  • Carburizing
  • Nitriding
  • Bulk Treatment
  • Decarburization
  • Tensile Testing
  • Yield Strength
  • Elongation Test

  • SURFACE FINISH

  • Zinc Plating
  • Chrome Plating
  • Nickel Plating
  • Blackening
  • Andonizing
  • Oxygening
  • Cataphoresis
  • Anti-rust Oil
  • Mirror Polishing
  • Barrel Tumbling
  • Degreasing
  • Painting
  • Powder Coating

Support System

Our support system is the perfect place to receive more detailed advice on producing your parts.

The Golden Rule

We know everyone needs support. Our philosophy is to treat you as we would like to be treated.

Extensive Certificates

Any certificates you need are available only if you provide an example or all the detailed info. about it.

Find The Answers

Zhongyi is the supplier & partner to find just about any components you need to buy from China.

Live communication

Nothing is easier than controling by watching with your own eye by Skype, msn or QQ, etc.

Control by watching

Watch how your orders are handled by skype, you can quickly control your orders sitations in your hand.