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Inspection

Salt spray test

Atomic absorption test

Moisture resistance test

Weathering resistance test

Infrared carbon and sulfur analysis test

High and low temperature impact test

Multi-element analysis test

Flared online detection

Cold bend online inspection

Flattening online inspection

Hook slot online inspection

Online inspection of zinc layer

Measurement of shell thickness of the produc...

Measurement of product outer diameter (out-o...

Measurement of product oblique

Measurement of product length, width, hole s...

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