Professional manufacture,focus on quality and service.We own more than 10 years of experience,fast and effcient communication save your time,we know what you need.


we can customize products to meet any demand of customer.We are standing by for any question of customer and make our service fast,efficient and satisfied


production line perform perfectly accroding to standard, our professinal staff and strict quality contorl can provide high quality with low price

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About Us

Build on 2005, Zhejiang Kanglong professionally make all kinds of Stainless Steel Pipes and Pipe-fittings who has accumulated the good reputation in the industry by our sincerity and responsibility. Our products are widely used in Petroleum, Chemistry, Marin, Shipbuilding, Machinery, Energy, Boiler&Heat-exchanger, Food and so on. The pipe and pipe-fittings yield can reach 15000 tons and 1800 tons per year by 135 workers. Based on "serious to products, sincerity to customers and responsibility to things", we are becoming more and more popular in the customers from all of the world.

Just Mail us. We can answer all your questions

Our Services

We provide a comprehensive range of stainless steel pipe and techniques to create value for the Pipeline system industry.

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Stainless Steel Round Tubing is generally used for structural purposes and applications that range from aesthetic to highly functional.

Where corrosion resistance and machinability are required stainless welded tubing is most often employed.

Alloy tube offer excellent corrosion resistance in both aqueous and high temperature applications.

We look forward to serving your needs for excellent quality stainless components.

Our Popular Pipe

Piercing Bar-The first step of quality control
Small crack are offen ignored. In order to improve the appearance quality, we need to do fully grin...
Process of Stainless Steel Seamless Pipe
Process is the soul of production. Good or bad product can be judged by the appearance. How do we d...
Analysison Straightening Seamless Steel Pipe
The straightening process is generally used to eliminate the longitudinal bending and the roundness e...
Improved Pipe Appearance, Enlarged the Market
Inner beauty need to show by outer surface. The improving of pipe appearance is the kep step to prolo...
TP904L/UNS N08904
TP904L is a low carbon, high alloying austenitic stainless steel material designed for harsh corrosio...
UN S31803/ UN S32205 Duplex Stainless Steel Pipe
Austenitic-ferritic Duplex stainless steel pipe roughly has the same proportion both austenite and fe...
321 Stainless Steel Seamless Pipe
Type 321 is a standard austenitic 18/8 chromium nickel alloy with the addition of Titanium making it ...
347 stainless steel pipe
General Properties Alloy 347 is a stabilized, austenitic, chromium steel containing columbium which a...

Good products from the pursuit of quality.
We look forward to serving your needs for excellent quality stainless components.

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We are World Leading
SS Pipe Firm

Kanglong steel is committed to the development and production of stainless steel pipe and pipe fittings, to provide users with high-quality stainless steel products from more than and 60 countries, Kanglong steel for the fluid industry to provide health and safety of stainless steel tube

  • Oil and Gas Industries
  • Power Plant
  • Mold Manufacture Industries
  • Boiler Equipment Industries
  • Pressure Vessel Industries
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Our Advantage

Efficient operation capability
Safe, stable, standard and efficient operation capability.
Thought Leadership
The company has advanced manufacturing equipment and testing equipment, strict "three program" management, a sound quality control system.
Excellent staff team
Professional, responsible, cooperative and innovative team of employees.
Good corporate reputation
Integrity, commitment, standardization, steady corporate reputation.

Latest News & Updates


NORSOK M-650 is a globally recognized standard for the qualification of manufacturers of Marine engineering materials.It ...

Reliable Plant-KANGLONG, Reliable Country-CHINA

Facing the tremendours increase of Ni which decide the price of our round bar of stainless steel seamless pipe, our gover...

How we do to improve ourselves?

Quality is always the hot point for each production enterprise....

The new office environment, the original working attitude

Good environment will push you think positively, guide everything positively and do everything more powerful!...

Regular Inspection for Pipe

Besides the quality control on each process, we also paied more attention on the inspection of finished pipes....

Development of UN S31803/ UN S32205 pipe for KANGLONG

Austenitic-ferritic Duplex stainless steel pipe roughly has the same proportion both austenite and ferrite phase. Austeni...