About Us

         ms square pipe weight chart    

Tianjin Boyu International Trade Co., Ltd is the factory.  It is one of the

subsidiary companies of Tianjin Boai Enterprise . Tianjin Boai Enterprise

is a large -scale production enterprise, with high precision, high strength

ERWpipe, line pipe, casing, roller pipe, car axis of rotation pipe and SSAW

steel pipe. Now we have five production lines of SSAW steel pipe, 2lines of

ERW steeel pipe.                                          

                                            Product Description

                                               Square Steel Pipe 

                                                                 Product Show

We can offer you  excellent quality with reasonable competitive price . All of

 products have been certified by the ISO9001-2008 ,API5L,API5CT certification

 systems.

                                                             Certificate

 Our company have passed ISO9001 quality systerm certification,ISO 18001

occupational health and safety managment system certification,and pressure

 piping components certification through aqsiq,

At the same time we get the rigth to use the logol of API 5L API5CT from

American Petroleum Institute,CPD,PED CERTIFICATION.

 If you have any quesstions pls don't hesitate contact me.

Contact information:

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 Sabrina Zhang

Tianjin Boyu Steel Pipe Co., Ltd.

Cell: 0086-15022487725 

Skype: sabrinaali0404