ISO 9001:2015 Certified Manufacturer
Dedicated
Quality Inspection
We carry out quality verification throughout all production stages with our dedicated 10-member QC team. Our advanced 3D CMM systems ensure dimensional accuracy and conformance to customer specifications.
Solution
1 Stop
In-House Production
Expertise
38+
Years Experience
On-Time Delivery
99%
Reliable Delivery Rate
Quality Inspection
Our experienced quality control team of 10 specialists inspects parts during all production stages, from incoming material verification through to final inspection prior to shipment. Our ISO 9001:2015 certified quality management system ensures consistent processes and documented traceability for every part we produce.
Our quality lab equipment includes 2 Mitutoyo 3D Coordinate Measuring Machines and a Keyence 3D Scanner for rapid full-surface analysis and CAD comparison. This allows us to compare the produced parts with the original design diagram to ensure production is meeting the dimensional accuracy requirement of our customers.
We inspect all components 100% of parts visually at our final inspection workstations before packing and shipment. Our quality standards have earned long-term relationships with major Japanese and North American brands, who are well known for their rigorous supplier selection.
10
Dedicated QC Staff
Mitutoyo 3D
CMM
Keyence 3D
Scanning
Our Quality Inspection Machine Range
| Equipment | Mitutoyo 3D Coordinate Measuring Machine (CMM) | Keyence 3D Scanner CMM | 2D Height Gauge | 2.5D Image Measuring Instrument | Aluminum Material Spectrometer | Surface Roughness Tester | Spectrophotometer | Salt Spray Tester |
|---|---|---|---|---|---|---|---|---|
| Quantity | 2 units | 1 unit | 5 units | 1 unit | 1 unit | 2 units | 1 unit | 1 unit |
| Purpose | Micron-level dimensional accuracy verification | Full-surface 3D analysis and CAD comparison | Height measurement | Dimensional inspection | Material composition analysis | Surface finish measurement | Color verification | Corrosion resistance testing |
Quality Inspection FAQ
What inspection reports and documentation do you provide with shipments?
Standard shipments include dimensional inspection reports with CMM data for critical features, material certification confirming aluminum alloy composition, and visual inspection checklists.
ISO 9001:2015 certification ensures all inspection records are traceable and archived.
Do you perform first article inspection (FAI) before full production runs?
Yes, our 10-member quality team conducts complete first article inspection using our 2 Mitutoyo CMM systems and Keyence 3D scanner to verify all dimensions against your drawings. FAI reports document every specified dimension, surface finish measurement, and material verification.
We submit FAI documentation and physical samples for your approval before proceeding with full production quantities.
How do you handle non-conforming parts discovered during production?
Non-conforming parts are immediately quarantined in our designated red-tag area and documented in our ISO quality management system.
All reworked parts receive 100% re-inspection before proceeding to packing.
What's the measurement uncertainty of your CMM equipment for tight-tolerance verification?
Our 2 Mitutoyo CMM systems provide measurement uncertainty of ±0.002mm under temperature-controlled conditions at our Changhua facility.
This ensures reliable verification of ±0.01mm tolerances with adequate measurement capability.
How does your 3D scanner complement traditional CMM inspection?
Our Keyence 3D scanner rapidly captures complete part geometry for comparison against CAD models, identifying deviations across entire surfaces rather than discrete measurement points.
This is particularly valuable for complex marine components or agricultural machinery castings where traditional CMM inspection would require hundreds of individual touch points. Scan data provides color-mapped deviation reports showing exactly where geometry varies from nominal.
What material testing do you perform to verify aluminum alloy specifications?
Our aluminum material spectrometer analyzes elemental composition within 60 seconds, verifying ADC-12 / A360 or ADC-3 / A383 alloy specifications before production begins. This is critical for marine components requiring ADC-3 / A383’s enhanced corrosion resistance.
Material certification documents from our ingot suppliers are verified against our spectrometer readings, and test results are included in your shipment documentation package.
Do you perform salt spray testing for marine and outdoor applications?
Yes, our salt spray tester conducts ASTM B117 corrosion resistance testing on powder-coated, liquid-coated, and anodized surfaces before production shipments.
Testing duration depends on your application requirements, typically 96-500 hours for marine components and LED lighting fixtures exposed to coastal or outdoor environments. Test coupons from each coating batch undergo evaluation, with photographic documentation of results.
Talk to Our AI Assistant
Have a question that is not covered in the FAQ? Our AI assistant can help you find answers, products, or the right next step.
High Quality Castings for Key Industries
Marine Components
Outboard Lower Unit Housing
- Alloy: ADC-3 / A383
- Weight Range: ~1.4 kg
- Finish: Chromate conversion
Pneumatic Tools
Pneumatic Tool Housing
- Alloy: ADC-12 / A360
- Weight Range: 0.3 – 0.9 kg
- Finish: Powder coat, paint, or anodized metal look
Heat Sink & Controller
Die-Cast Heat Sink
- Alloy: ADC-12 / A360
- Weight Range: ~0.4 kg
- Finish: Anodizing / Powder Coating
Lighting
LED Heat Sink Housings
- Alloy: ADC-12 / A360
- Weight Range: 0.2 – 0.9 kg
- Finish: Powder coat or anodizing
Medical Equipment
Medical Device Housing
- Alloy: ADC-12 / A360
- Weight Range: 0.4 – 1.1 kg
Custom Applications
Complete Manufacturing Solution
From Design to Delivery: Full-Service Die Casting
At Joincast we keep every critical process in-house at Joincast, operating from a 9,900 m² facility to deliver dependable lead times and consistent quality. Across three production sites, we run die casting machines (135T–900T), CNC machining centers with automation, plus fully integrated surface treatment lines.
From small precision parts to castings up to 3 kg, we process ADC-12 / A360 and ADC-3 / A383 aluminum alloys in a 24-hour, single-supplier operation.
Our Production Capabilities
Mold Engineering
Die Casting
Polishing & Shot Blasting
CNC Machining
Surface Treatment
TPR Insert & Printing
Quality Inspection
