C & S Metal Products Co., Ltd.


Valve Parts (Lost wax casting OEM)

Valve Parts (Lost wax casting OEM)

High Quality Valves

Special Alloy (Lost wax casting OEM)

Special Alloy (Lost wax casting OEM)

Manufacture various types of special alloy parts according to customer demands.


C & S Inspection Introduction

C & S Metal Products Co., Ltd. is Taiwan supplier and manufacturer in Investment Casting Industry. C & S has been offering our customers high quality precision casting, alloy investment casting, lost wax casting, investment casting, metal casting since 1980. With both advanced technology and 36 years experience, C & S always make sure to meet each customer's demand.


Visual Inspection

  1. The inspectors check casting appearance to classify casting quality with good quality, welding repair and rejection.
Visual Inspection
Casting Quality Classification.

Dimension Inspection

  1. Caliper is used common dimensional inspection for basic measurement requirement.
  2. Caliper measurement
    Caliper measurement.
  3. High Gage is the main measure the height of object.
  4. Measured by high gage
    Measured by high gage.
  5. Projection: Placed a casting on the platform suitable for use in an optical projection irregular curve.
  6. Projection Measurement
    Projection Measurement.
  7. 3-dimensional Measuring Instrument: The use of detector to knock against casting surface and get the location coordinates. It suitable for more complex measurements or geometric tolerances.
  8. 3-dimensional measuring instrument
    3-dimensional measuring instrument.
  9. Gage: We can make gages or round rod gages and get quickly test according to customer's demand.
  10. PIN GAGE

Hardness Test

  1. In accordance with customer needs to do different ways of casting hardness of heat treatment can be measured Rockwell hardness HRC and HRB.
Hardness Test
Hardness Test.

Metallographic Microscope

  1. In accordance with customer demand, we can make a specimen and viewed with a microscope. We can provide metallurgical report as well.
Optical Microscope
Optical Microscope. Metallurgical Report
Metallurgical Report.


  1. We can provide test report to check the inner hole of casting.
X-RAY Test
X-RAY Test.

Leakage Test

  1. We can make simple gage to test the pressure of leakage test.

Magnetic Particle Inspection

  1. Magnetic particle inspection can be done to determine any tiny marks on the casting surface.
Magnetic Particle
Magnetic Particle.

Physical Property

  1. Make a tensile bar and do tensile test.
Tensile Testing Machine
Tensile Testing Machine. Tensile Bar
Tensile Bar.

Chemical Property

  1. Each furnace sample is detected by the spectrometer and kept it more than a year. We can provide material certification to customers.


Inspection Process