All raw materials are verified before production release.
Control includes:
• Chemical composition verification (silver, copper-based alloys, powder materials)
• Surface condition inspection
• Supplier batch traceability validation
• Incoming sampling inspection based on batch size
Materials that do not meet internal requirements are rejected before entering production.
Quality control is implemented during production at key process stages:
Electrical Contact Production
• Stamping dimension control
• Cold press welding pressure stability monitoring
• Riveting structural consistency checks
• Intermediate dimensional sampling
Powder Metallurgy Process
• Density consistency control
• Sintering temperature stability monitoring
• Post-forming dimensional verification
Depending on product category and application requirements, sampling tests may include:
• Contact resistance testing (sample-based)
• Electrical conductivity stability checks
• Wear resistance simulation tests
• Mechanical endurance validation (application dependent)
These tests are used to ensure functional consistency across production batches.
Our quality inspection capability is supported by standard industrial testing equipment, including:
• Digital calipers & precision measuring instruments
• Electrical conductivity testing devices
• Contact resistance measurement instruments
• Metallographic inspection tools (for material structure analysis)
• Mechanical durability testing equipment (for selected products)
Each batch is inspected prior to shipment, including:
• Visual inspection (defects, deformation, oxidation)
• Dimensional sampling verification
• Assembly compatibility checks (for assembled components)
• Packaging integrity inspection
Only batches passing all required inspections are released for export.
Each batch is traceable through internal records including:
• Raw material source
• Production line and process route
• Inspection records
• Production date and batch number
This supports industrial customers requiring post-delivery quality tracking and analysis.