Q  what\'s your main products?

A  we supply seamless steel pipe, spiral steel pipe, ERW/LSAW steel pipe, butt-weld pipe fitting flanges.

Q   what material are you specialized in?

A   We main do ASTM A106 GR.B/A53 GR.B /API 5L GR.B DIN17175 , EN10204, EN10216, Grade: GR.B, ST45, ST35 , X42-X60, Q345B, A234 WPB, A420 WPL3/L6 / P5 / P9 / P11 / P22 ,SUS304/304L/316/316L and alloy 

Q   why your price was lower than others? And how about the quality of your product?

A   the products all according to the standard, please rest assured. And you can test by yourself or through the third party inspection. our price with lower profits, we just want to establish business relationship with you on the basis of quality, mutually bene-fit and exchange of needed goods. 

Q   I want to know your tolerance of thickness. Please let me know.

A   We produce the pipes and fittings according to GB API ASME and other standards strictly, the tolerance of thickness will be kept within in ±12.5%. It is standard data. Actually, we provide the tolerance will be within 6%-8% . 

Q   can you supply us samples?

A   we just can supply part of the sample for free, but the mailing costs..