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magnets service | China ferrite magnet factory,motor magnets manufactuer


In order to maintain product performance and stability, and to achieve the level of the in process quality control, and outgoing quality as the core processes of our quality system

1. Incoming quality control

a) inspection of all incoming direct and indirect materials;

b) adopt AQL 0.65 level II sampling plan for incoming material inspections;

c) conduct sampling plan based on historical quality records;

d) on-site audits of all suppliers.

2. In-process quality control

a) real time process control for defective distribution;

b) statistical process for control defective rates;

c) analyze first production quantity and quality to identify and evaluate process trend;

d) unschduled produciton line audit for continuous improvement.

3. Outgoing quality control

a) adopt AQL 0.65 level II sampling plan to audit finished good products to ensure quality level

b) conduct system audit based upon production flow chart;

c) storage database for all finished good products.

4. Reliability test

a) perform reliability tests according to quality standard;

b) typical test:  magnetic property test; size inspection; apperance checking

Quality Control Flow Chart