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