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How to inspect the sunglasses quality before shipping-Sunglasses quality control checklist

Poor quality is a headache problem when importing sunglasses from China. But there’s a way how you can prevent it from happening. The key is to have the best quality control methods.

Inspecting sunglasses before shipping is essential. But it’s about better quality control methods. You should learn how to look at a quality control report. Then, be familiar with its terms and content.

Do you live far from your Chinese supplier? The good news is that there’s a way to guarantee each eyewear’s quality. In this post, let us help you understand the complete quality control process. Be an expert in importing sunglasses. So, are you ready? Let’s dig in.

How Can You Check Quality of Sunglasses? Checklist That You Should Know.

Quality control requires a checklist. Think of it like when shopping at a grocery or doing errands at home.

A checklist will keep you focused and aligned with your goal. It will act as your eyes in inspecting the sunglasses even when you’re far.

You can foresee its conditions and defects. But what are the things or criteria that you need to add to it?

Include your quality expectations and requirements in your QC checklist. Start your sunglasses quality checklist with these essential criteria.

1. Color And Style

First, a quality check report should have images of your sunglasses. It should show proof that the supplier will ship the correct items. You should have no reason not to see your sunglasses before shipping.

Confirm if the materials used on the sunglasses are correct. What about the style? Do the lenses match your expectations? Real-time photos of your sunglasses are the best way to check it.

2. Quantity

A quality control report should contain the number of your sunglasses. You should see the total number of packed items that you will receive. Don’t forget to check if the price is correct. You don’t want to pay lower or higher than the correct amount, right?

3. Data Measurement

Data measurement includes the frames, lenses, and other dimensions. It is a must if you are targeting a specific audience group.

Do you cater to children or women? Then, the supplier must follow standard sunglasses measurements for kids.

You must make sure that the sizes you ordered match with the supplier. As much as possible, request proofs.

See if the alignment of the sunglasses is proportion. You can ask the supplier to send a photo of the sunglasses with a ruler. This way, you can see if the actual measurements are correct.

4. Workmanship, And Function

It tells you if the sunglasses are in excellent condition. The inspector should communicate the tiniest defect. It includes slight scratches, dirt, deformed nose, or dents on the lenses.

Start with checking the exteriors of the sunglasses. How easy is it to open or close the temples?  Is the tensile property comfortable enough to fit the wearer?

Avoid sunglasses that fall off the head once the user bends over. Then, hold the sunglasses upside-down. So, you can check the coating adhesion.

Inspect if the sunglasses can do their purpose. You must confirm if the sunglasses are effective in blocking 100% sun rays.

If you ordered polarized sunglasses, then make sure that it can filter all glares. Verify the accuracy and performance of your sunglasses.

5. Test Results

Sunglass test results provide transparency for the supplier and importer. It validates all features of your sunglasses.

It helps you classify possible defects. So, you’ll know if your order meets your quality standards.

The supplier can give you reports about the condition of the sunglasses. But what are the tests that you can do for your sunglasses? Aside from what we’ve mentioned so far, you can do these assessments.

  • UV performance
  • Impact resistance
  • Light transmittance
  • UV spectrum
  • Lens material
  • Surface quality

Lookout for defects, which can be minor, major, and critical. You don’t want to receive any items with fault structure. You want to see that ‘conform’ remark on all test results.  

6. Packaging, Labels, or Logos

Notice that packaging requirements count. It includes the carton material, design, labels, and logos for your brand.

The quality inspection should involve every detail about the sunglasses. It includes the materials, sizes, down to its packaging. Ensure that your eyewear is safe during its shipment.

The supplier should use the highest quality packaging materials. It protects fragile sunglasses during transit.

A quality control checklist should give you all the answers about your sunglasses. The supplier should be ready to provide this information at all times.

What happens if the supplier is not aware of your exact requirements? Then, your sunglasses may get compromised. You can’t be sure about the eyewear’s safety, function, and performance.

Sunglasses Packaging

Inspection Process Before Shipment

So, you have a QC checklist. But what are the tests you need to perform before receiving your sunglasses? There are different stages of inspection.

This way, you can get accurate reports that will benefit your brand. So, here’s a rundown of the inspection processes before shipment of your sunglasses.

1. In-Process Quality Control (IPQC)

Do you know what’s the best part about this stage? It allows you to inspect sunglasses quality in real-time.

You can get updates on the current state of production. So, you can prevent unwanted problems while producing.

So how can it benefit you? Construction updates avoid any delay in the shipment. You can correct any misunderstood information ahead of time.

2. During Production Inspection (DUPRO)

What happens in this stage? The inspector may use a finished sample. Then, you can get a quick report after finishing the first item.

It lets you see if the first operation meets your requirements. Then, you can request any adjustments whenever necessary.

It is the same with In-Process Quality Control. But DUPRO provides more reactive solutions to any problems that might happen.

3. Technical Documents Inspection

It is for initial inspection and validation of relevant documents. This process helps in making sure that you’re on track.

Plus, you can foresee that the sunglasses are in excellent condition. You can assure that the production happens in a safe place as well.

You can request testing reports and product pictures. It would help if you can verify the materials used on your sunglasses.

The reports should give you the answers from the checklist we’ve mentioned.

4. Customized Inspection

Do you want to be more thorough with the test results? You can request a customized inspection.

It will give you detailed data throughout the entire construction process. You can single out the things and features that you want to test.

This method is essential if your sunglasses need different materials. It’s because quality checking has different methods for various materials. For example, metal frames need other tests than polycarbonate materials.

5. Pre-Shipment Inspection (PSI)

What can you do after 100% completion of sunglasses production? Well, it means that they are ready for shipment.

But you can request for Pre-Shipment Inspection first. It protects you from any global trade risks.

You can make sure that your sunglasses are in excellent condition before shipping. So, what to expect in this method? You can check random finished items and see if they fit your standards.

Pre-Shipment Inspection is critical. It covers the product’s function, color, types, function, and packaging. Then, you will receive a final inspection report with photographs.

It is where you either approve or reject the sunglasses. What if there’s something wrong with the items?

Then, you can request a replacement. But you need photographic evidence to take the actions. It depends on your agreement with the supplier.

Once all is clear, you only need to pay for your orders. Then, the supplier will ship out your sunglasses to your location.

Pink Sunglasses

How Can You Final Inspect Sunglasses?

You must ensure that each pair passes international standards. It should match all your specifications.

If you work with trustworthy suppliers, you shouldn’t worry about things. It’s because you can rely on the quality of their work.

So, working with a quality sunglasses supplier is essential. It is your best and safest option to ensure quality.

Why Is Sunglasses Quality Control Important?

Sunglasses quality control is essential. It ensures that you’re importing items that pass global standards.

The supplier should follow protocols to create safe sunglasses that provide protection. Quality control is also critical in receiving sunglasses based on your specifications.

Quality is a challenge for most eyewear fabrication companies in China. What happens if you neglect the quality control process?

It can lead to catastrophic events that may bring down your brand. First, the customs may reject your sunglasses at any port of entry.

It can be because of incorrect labeling or lack of safety standards. Improper packaging can cause deformities during shipment. You want to avoid misspelled names and logos.

It is the importance of tracking your sunglasses at every step of manufacturing. Thus, it can prevent a loss on your part.

Final Words on Sunglasses Quality Control

Not all eyewear suppliers produce the same quality. You must keep close to monitoring the sunglasses quality control process. Make a checklist and learn how to read a quality check report.

You can ask for help from a third-party inspector, but that would be another cost. So, it’s best to work with professional quality suppliers. Only experienced manufacturers can give you the best results.

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Michelle Mao

Hey, I’m the author of this post, and I have been in this field for more than 10 years.
If you want to know more knowledges about sunglasses, or if you are looking for OEM, ODM service about sunglasses. Feel free to contact me now.

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