Production & Quality Control
1. The raw material we use:
- Stainless steel bar (304 and 316L)
- Sealing material
- Castings
- Forgings
- Fittings
2. How we control the quality of material?
The following tests are 100% conducted on-site:
- Visually check appearance and surface quality
- PMI test to verify metal element ratio
3. Forming machine processing
- CNC lathe processing
- Milling machine processing
- Punching press drilling
- Punching press drilling
- Cold bending molding
- Welding assembly
4. How do we control the quality of machining?
- CNC lathes from YAMAZAKI MAZAK
- Advanced milling machines
- use UT inspection to ensure the quality of welding
- Weld polishing
- 100% Appearance and size inspection online (thickness, roundness, etc.)
- Size and appearance shaping
5. Outer surface processing
We offer the following processes to choose:
- Mechanical polishing (MP)
to improve brightness (gloss, matte) - Acid Cleaning for Anti-corrosion
- Electrolysis (EP) to improve surface smoothness
- Custom processing:
Bright Annealing treatment(eliminate stress to improve toughness)
6. How do we ensure the surface quality？
- Visual inspection
- Roughness detection
7. Assembly and marking
- Assembly
- Marking
8. How do we ensure the finished product quality (FQC finished product inspection)
- Visual inspection
- Material grade measured by spectrometer
- Dimension inspection
- Roughness detection
- Roughness detection
- Sealing test
9. Cleaning and packaging
- Ultrasonic cleaning sink
- Packaging
- Packaging
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