We Shandong zhongzheng steel pipe manufacturing Coltd is one of the biggest manufacturers in shandong provice ,China
Our main products are as follow
ASTMA106/53GR.B
API5L
API5CT
OD:1/2''--20''
WALL THICKNESS:2mm--30mm
If you have the plan to purchase seamless steel pipe ,please tell me
We can meey sll your requirement at a low price
Best wishes
Mary