Spezilla Tube Co., Ltd. Quality Control

Spezilla is really a professional supplier, they always give us technical advice and provide good quality tubes with very competitive price!

—— Thomas Hoover - United States

Good quality, fast delivery, Spezilla has been supplying heat exchanger tubes for our projects since 2008, we really appreciate your support!

—— Massimiliano Rossi - Italy

Spezilla supports our group very well, and now we are approved supplier of goverment, they are reliable and flexible! Spezilla always answers!

—— Jaime Arias - Argentina

Very competitive price and the tubes are well polished, we are very satisfied with Spezilla from our cooperation since year 2010.

—— Nathalie Gulli - Mexico

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Quality Assurance:

Our quality assurance system is certified in accordance with the ISO9001:2008 standards. An independent quality assurance department is responsible for all working procedures required to ensure that all manufacturing processes are carried out in accordance with international technical delivery conditions like ASTM/ASME, EN, API and with the customer specifications.


All our finished products undergo extensive and strict quality tests before being delivered to our customers. Mill Test Certificate EN10204 3.1 or EN10204 3.2 which contains the result of the mechanical tests and hydrostatic test will be provided to our customers.


Spezilla Tube Co., Ltd.


Spezilla Tube Co., Ltd.


Destructive & Non-destructive Test

To assure the quality of our products, our own in-house testing facilities play an important role. Our laboratory is well equipped to perform a wide variety of both destructive and non-destructive quality tests.


Destructive Testing includes:

  • Tensile Test
  • Impact Test
  • Bend Test
  • Reverse Bend Test
  • Hardness Test
  • Flattening Test
  • Reverse Flattening Test
  • Flaring Test
  • Flange Test
  • Intercrystalline Corrosion Test in accordance with ASTM A262 practice E
  • Metallurgical Test 


Non-destructive Testing includes: 

  • Eddy Current Test
  • Ultrasonic Test
  • Hydro Test
  • Air Under Water Test
  • P.M.I Test
  • Spectro Test
  • X-ray Test


For the purposes of non-destructive testing we have at our disposal state-of-art equipment for ultrasonic and radiographic examination, eddy current testing and hydrostatic testing.


Contact Details
Spezilla Tube Co., Ltd.

Contact Person: Mr. Will Ma

Tel: 86--21-57701837

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