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Vacuum Product

We believe quality control is one of the key contributors to our success. The secret is that we as a company is committed to continue to provide the best quality products, hence we have devoted large manpower and resources to our QC team, enabling them to perform immediate quality assessment to upkeep our promise.


Hop Shing’s partners recognize the craftsmanship and meticulousness that goes into our consistent delivery and maintenance of high-quality standards. Our longstanding partners could attest to the impeccable quality and design of our products, but do not just take our words for it, try our products, and see for yourselves.

MID STD 105E Sampling Plan Inspection

STA-2A transportation test

Dielectric Strength Test

Components reliability testing

Non-contact projective measuring test

Metal corrosion salt-spray test

The equipment

Product testing Room

Product samples are chosen and put in the product testing room and test for actual performance and life span. The product samples will be well labeled and monitored for in-depth data.

Precise measuring equipment

A Set of product measuring are ready for technicians to check on the product quality. This set of tools and equipment includes roundness tester, optical digital tester, hardness tester, standard light source, height gauge, and others are adequate to cover majority of product standards.

Motor life tester

Motorized products are put in motor life tester area and tested for their reliability and performance . Once the products are qualified, they will finally be ready-to launch in the market.

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