Configure single audit, customer demand is the primary choice, customer demand is the main basis for cost performance;

Examination of construction drawings, construction drawings provide an important basis for production and processing, require reasonable and precise drawings, and plan approval;

Under the material audit, request the correct input, the thickness is correct;

Assembled welding examination requires standard size chain, reasonable and orderly processing according to the figure, no slag, uneven, cracks, etc.;

After grinding and rusting inspection, the vehicle shall not appear sharp corners, burrs, or rust dead spots except under special circumstances;

The assembly assembly audit is strictly in accordance with the requirements of the contract industry standards, industry common sense, etc.;

Spray paint examination, requiring the use of precision paint, spray paint uniform, beautiful and generous;

Electrical installation requires correct position, firm installation, and correct wiring.

Commissioning and commissioning audits require that all functional indicators be functioning normally and continuously.