Every importer who skipped quality inspection and regretted it. Learn the 3 types of inspection and when to use each.
One of the most common mistakes among Arab importers new to importing from China is skipping the quality inspection step to save a few hundred dollars — then discovering upon arrival that a large portion of the goods are defective or don't match agreed specifications.
Why do quality issues occur in Chinese factories? Chinese factories operate under high production pressure and tight profit margins. Without external oversight, a factory may substitute a raw material for a cheaper one, reduce material thickness, or send goods that don't match approved samples. External inspection prevents this from happening.
Type 1: Initial Production Check (IPC). This inspection is conducted at the start of production when 10-20% of the order has been completed. The goal is to verify that raw materials, production equipment, and setup match agreed specifications before entering full production. This saves you a complete re-production if there's an error.
Type 2: During Production Inspection (DUPRO). Conducted when 50-60% of the order has been produced. The inspector checks the quality of finished products, production speed, and the factory's adherence to the timeline. This inspection lets you intervene and correct any deviation before it's too late.
Type 3: Pre-Shipment Inspection (PSI). This is the most common and most important inspection. Conducted when 80-100% of the order is ready. The inspector checks product quality based on a standard statistical sample (AQL Standard), verifies quantities, packaging, and product markings. The final report either approves shipment or recommends repair before shipping.
What does a professional inspection report include? A good inspection report includes: detailed photos of products and samples, precise measurements compared to specifications, results of functional and visual tests, dimension and weight measurements, and a final recommendation (pass / conditional / fail).
How much does quality inspection cost in China? Independent inspector fees in China typically range from $200-400 per inspection day, which usually covers orders up to 3,000 units. This small investment protects you from losses that can reach thousands of dollars in defective goods or return and replacement costs.
China24 provides comprehensive quality inspection services through a team of certified inspectors distributed across China's major production centers (Shenzhen, Guangzhou, Yiwu, Ningbo). We provide detailed inspection reports with live photos within 24-48 hours of conducting the inspection.
Frequently Asked Questions
How much does a quality inspection in China cost?
A standard one-day inspection by a professional inspector in China typically costs $200–400, covering orders up to ~3,000 units. This includes the inspector's time, travel, and a detailed photo report. Lab testing costs are separate: typically $150–800 depending on product type.
Which type of quality inspection is most important?
Pre-Shipment Inspection (PSI) is the most important — conducted when 80–100% of the order is ready, it's your last chance to catch defects before goods leave China. If you can only afford one inspection, make it the PSI.
What is AQL in quality inspection?
AQL (Acceptable Quality Level) is an international statistical sampling standard. AQL 2.5 — the most common for consumer goods — means up to 2.5% of inspected units can have minor defects. The inspector checks a random sample sized to your order quantity and reports results against this standard.
Can I conduct quality inspection remotely via video call?
Video call inspections are better than nothing but have significant limitations — the factory controls what you see, and you cannot physically measure or test products. A professional on-site inspector is far more reliable.
When should I request a pre-shipment inspection?
Request a PSI when 80–100% of the order is ready and packaged, before the factory books the freight. This ensures time for corrections if issues are found. For large orders, consider a mid-production inspection (DUPRO) at 50% completion in addition to the final PSI.
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