Testing & Quality Assurance
JCK conducts comprehensive testing and quality inspections throughout the manufacturing process to ensure product performance, durability, and reliability. From electrical and functional testing to lifespan, cable, button, and material compliance testing, each evaluation helps identify potential issues and maintain consistent product quality. Combined with standardized QC procedures and third-party testing, our quality assurance system supports reliable products that meet customer and industry requirements.
QC flow
Our quality control process is designed to ensure consistency at every stage of production. From incoming material inspection to final outgoing inspection, each step follows standardized procedures and strict quality requirements. The flowchart below illustrates our complete inspection process, ensuring every product meets JCK’s quality standards before shipment.
In Process Quality Control
Electrical function testing is carried out during production to verify assembly quality. Each unit is inspected for short circuits, incorrect wiring, poor soldering, and pseudo soldering before moving to the next process.
Product Inspection Overview
Every product is inspected at key stages of production through IQC, IPQC, FQC, and OQC. Experienced inspectors follow standardized procedures and detailed checklists to ensure consistent quality and reliable performance.
Speaker Lifespan Testing
Every speaker undergoes comprehensive reliability testing, including life testing, voltage testing, and pressure testing. These evaluations verify long-term durability, stable performance, and consistent product quality.
Testing
Equipment
JCK utilizes dedicated testing equipment to verify product performance, durability, and reliability throughout the manufacturing process. From electrical and functional testing to durability and environmental evaluations, each test provides measurable results to support consistent quality and dependable performance.
Speaker Lifespan Testing
Speakers are tested through repeated operation to verify durability, consistent performance, and long-term reliability under continuous use.
RoHS Testing
Materials and components are tested to verify compliance with RoHS requirements and ensure restricted substances remain within applicable limits.
Cable Swing Testing
Cables undergo repeated swinging and bending cycles to evaluate flexibility, durability, and resistance to mechanical fatigue during use.
Button Lifespan Testing
Buttons are repeatedly operated to evaluate their durability, response, and reliable performance throughout the expected product lifespan.
Certifications & Compliance
JCK utilizes dedicated testing equipment to verify product performance, durability, and reliability throughout the manufacturing process. From electrical and functional testing to durability and environmental evaluations, each test provides measurable results to support consistent quality and dependable performance.
Final Quality Control
- Out looking
- Function checking on radio
- Spot check
- Under 200pcs: 100%
- 200~1000pcs : 70%
- Over 1K pcs : 50 %
- Special case: 100%
- Adjust checking rate depend on project and product
Third-Party Testing
Selected products are evaluated by independent third-party laboratories to verify performance, safety, and compliance with applicable standards. These certifications provide objective validation of our products and reinforce JCK’s commitment to quality and reliability.