Quality Assurance


To be a recognized stainless steel tubes company in the industry, we were firstly awarded the certifications to comply with international quality and environment standards. Our quality system lays the stress on the prevention rather than detection. We focus on the needs of both our employees and customers. We won’t mark time, we will keep working on being a technical, diversified and large-scale manufacturer.

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Professional Manufacturing

Yaolong Tube holds advanced producing facilities, including auto welding machines, cold drawing machines, cold rolling machines, heat treatment furnace, straightening machines, polishing machines, auto welding machines and bright annealing device, these machines have hard strength and accuracy to produce wide range size and material products.

Testing And Inspection

We have full sets of test equipment to inspect our products, the main tests are custom testing and optional testing to ensure our products 100% quality, From raw material to final product, we completely comply to ISO 9001 quality management system, each operator in the process of manufacturing and testing should be instructed as standard or relative documents, each inspection should be recorded, and offer relative files for customers

Third-Party Inspection Report

We know your extreme requirement on the precision, hardness or brightness. We have a comprehensive list of quality data collection for every batch of tubes. Different ways of inspection at Vinmay are available:

- Qualified measurement institution

- Named measurement institution

- Inspection by your expatriate staff
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