Jonsteel Pipe and Fitting Co., Ltd is specializing in manufacturing, pre-fabrication and trading of various of pipe, flange and fitting for the vessel manufacturer, offshore, onshore, petrochemical, oil and gas transportation project.

As a professional project material supplier, with more than 8 years experience, Jonsteel focuses constantly on well-management in quality assurance procedure and good sells service to our clients. Meanwhile, the basic of our company's services are well-communication, strict and clear technology requirement, visual and package.

We are offering the complete files to meet our clients' need and for better understanding with the production status. We welcome you to contact with us. To meet your need is our task. We assure you that we are providing the right and excellent quality products you are looking for.

Super duplex, duplex steel and high yeild carbon steel flanges are our advantage products. such as A694 F52, 60, 65 and A182 F51, 53.

We provide the flange and fitting according to DNV OS-F101-2000, ASME B16 NORSOK L005, NACE RP0175 etc.
We provide Barred Tee according to ASME B31.8 and Shell-Dep Standard etc.
Also, we can provide Design & Calculation services for flange and fitting, according to ASME VIII and ASME B31.8; FEA by ANSYS.