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How your inspectors can fail to notice quality problems


Performing a quality inspection prior to a shipment is like a filter. It won’t catch 100% of the problems 100% of the time. But it should catch the BIG problems over 90% of the time.

More and more importers are disillusioned about the value of QC inspections. Many of them think (and, depending on who they work with, they are not necessarily wrong) that way, way less than 90% of BIG problems are detected.

And they usually think that bribery is the main reason for this lack of effectiveness. I don’t agree.

I listed below the major reasons why Chinese inspectors sometimes fail to notice quality problems that are BIG in their clients’ eyes.

1. Laziness and lack of discipline

Most professional inspectors are guilty of this.

For example, they don’t pick cartons from every side and every height of the pile, to save time but also to avoid bothering the factory.

There are actually 2 separate issues here:

1.1 They take shortcuts to go faster

A very common example: during the visual check or the testing, they often don’t check as many samples as they should.

As a result, their report is based on their guesses after checking a sample size that is much smaller than their QC plan calls for. The statistical plan is not respected, and in the worst cases the report means nothing at all.

1.2 They are unwilling to bother the factory

Many of them are tired of fighting. They want to work in a relaxed atmosphere, have a nice lunch, and avoid justifying themselves after complaints from the supplier.

For instance, they let the factory check (and repair!) the samples by themselves during the unpacking process. They pretend not to see this little game. And, of course, many problems are corrected before inspection.

2. Lack of training

When they need to check garments, some quality control agencies see no problem in sending inspectors who have a very superficial knowledge of textile products. Some sophisticated clients can suspect it after reading the QC report, but it is difficult to prove.

These inspectors are very slow in taking measurements, so they ask the factory to measure… and they write what they are told. Oh, and there are many issues that their untrained eye just can’t notice.

This is just an example. The same thing happens with electronics, ceramics, furniture, etc.

3. Wrong calibration

Send an inspector who is used to checking cheap products for monitoring a production of goods to be sold in high-end boutiques, and what will he conclude? “Everything is fine”. The reason is, it is so much nicer to what he usually sees.

Unfortunately, the high-end buyer might see defects that are important to him and that were completely undetected during the inspection.

If you work with QC firms that work for cheap buyers (promotional goods, mass markets in South America…), don’t ask them to check high-quality products.

4. Poor timing of inspection

Many buyers don’t understand why ONLY a final inspection (after production is over) can confirm the average quality of a batch.

When everything is packed, the quantity can be counted, and products can be picked randomly. The factory can’t play games.

What often happens is that suppliers are late. The job gets done when only 20% of the goods are completed, and maybe 1 or 2 cartons are packed. It is easy for a factory to hide the defective products and claim they are not made yet.

What to do in this case? A re-inspection at the supplier’s charge. Naturally, most Chinese suppliers pretend not to understand why they should pay for a re-inspection in this case, since the job got done.

So you should think now about the instructions to your QC agency/staff: should they abort the mission in such cases?

5. Rushed job

When an inspector is under intense timing pressure, he is forced to take all the shortcuts he can. There are actually 3 separate issues:

5.1 The inspector’s manager decides on an unrealistic sampling plan

This happens when the client is allowed to choose the sampling size in an online booking system, or when the QC company does not dare to say no to a client. It happens often in peak periods, like before Chinese New Year.

I have seen sampling plans including 8 different product references to check for conformity, and a total of 315 pieces to check visually, in 1 man-day! The result is the same as in point 1.1: the job is not done fully, and the report means nothing.

5.2 The inspector himself compresses the time of the job

After a few rushed jobs (see point 5.1), inspectors know they can get done in 2 hours.

Some of them conclude that they can do one job in the morning (for their employer) and one in the afternoon (on a freelance basis). This is a highly dangerous habit!

6. Corruption

Yes, corruption happens. Especially in situations with the following characteristics:

  • The sums at stake are quite large,
  • The importer puts a lot of pressure on the supplier to ship in time,
  • When there is a problem that is acceptable (according to the inspector’s judgment), but is not in conformity with the client’s specifications.

The point is, it is not as frequent as most people think.

7. Unclear or incomplete specifications

If you don’t communicate detailed requirements, and if you don’t ensure that the inspector has a reference sample in hand, you are asking for trouble.

This may seem obvious. But tens (hundreds?) of unprofessional importers commit this mistake. In the China sourcing game, letting another party guessing some information is never a good idea.


Oh, and how about factory interference? I am not including it in this list, because an inspector who doesn’t cut corners (see point 1.1 above) will avoid it. And, if it can’t be avoided, the job should be aborted.

What do you think? Am I forgetting an important element?

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