Supplier Management

Establish an AVL (Approved Vendor List) certification system and strictly screen original manufacturers and authorized agents;

Regularly conduct supplier rating and performance evaluation (delivery time, qualification rate, document completeness);

Establish a database of abnormal and defective records, and freeze unqualified suppliers immediately.

Incoming inspection and verification

Implement IQC (Incoming Quality Control) standard operating procedures (SOP);

Use professional testing equipment:
X-Ray detector: Verify the consistency of the internal structure of the package;
Microscope and high-power magnifying glass: check screen printing, foot oxidation, and coating integrity;
Curve Tracer: Compare the electrical characteristic curves of components;
Baking and constant temperature and humidity testing chamber: testing moisture resistance and packaging reliability;

Establish a database of testing reports and trace the entire process through the ERP system.

Storage and Protection

Constant temperature and humidity warehouse management, real-time temperature and humidity monitoring;

All materials are classified and stored in anti-static areas;

Constant sensitive devices are packaged in vacuum moisture-proof bags for anti-static purposes;

Establish a barcode based warehousing system to achieve batch traceability.

Outbound and Logistics Delivery

Only after passing IQC can it be stored in the warehouse, and a visual re inspection should be conducted again before leaving the warehouse;

Cooperate with professional third-party logistics and use temperature controlled and shockproof packaging for transportation;

Establish a shipping image retention system to ensure consistency of goods;

Emergency orders support a 24-hour shipping mechanism.

Quality assurance and after-sales service

Establish a PDCA quality cycle improvement mechanism;

Regularly hold quality retrospective meetings to analyze supply and testing issues;

Provide customers with quality inspection reports and failure analysis support (FA Report);

Establish an after-sales specialist to track customer feedback and improvement suggestions.