Quality Control

Building Materials Quality Control in China: What to Check Before Shipping

A practical pre-shipment quality-control framework covering specifications, dimensions, finish, quantity, function, accessories and packing.

Quality inspection works best when the acceptance criteria already exist. If the buyer and supplier never agreed on the specification, the inspector has nothing precise to compare against.

Use the approved specification as the baseline

The inspection file should reference the latest approved drawings, samples, finish references and product schedule.

Check quantity and identity

Confirm item codes, variants, sizes and quantities. Mixed projects are especially vulnerable to missing accessories or incorrect labeling.

Check critical dimensions

Not every dimension needs the same tolerance. Identify installation-critical measurements before production.

Check visible finish

Review color, surface consistency, scratches, chips, dents, edge quality and other category-specific defects under suitable lighting.

Check function

Where practical, test opening, closing, hardware movement, electrical function or other basic operations relevant to the product.

Check accessories

A main product can arrive intact but remain unusable because fixing kits, handles, hinges, trims or spare parts are missing.

Check packing

Packaging should reflect the product’s weight, fragility, handling method and shipping route. Review labels so products can be identified after arrival.

Document exceptions

Record defects with photos, quantities and clear references to the acceptance standard. Then decide whether the issue requires rework, replacement, concession or another action before loading.

See our quality inspection workflow for the project-service structure.

START WITH YOUR PROJECT SCOPE

Send drawings, a BOQ or a product list.

We can structure the material scope and identify the specifications needed for a useful quotation.

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