We Shandong Zhongzheng Steel Pipe Manufacturing Co.ltd are one of the leading seamless steel pipe manufacturers in shangdong province,China

Our main product as follow :

ASTMA106/53GR.B

OD:1/2''--20''                                                                

Material: 106A/B ST52 CK45

Certification:ISO9001 API5L

API5L

OD:1/2''--20''

Grade: 106GR.B, X42, (PSL1)

Casing and Tubing

Standard:API5CT

Size:2 3/8''---13 3/8''

Grade:J55 L80 N80

Welded pipe

Material: 106GR.A/B ST52 CK45

We could offer you the first-hand price and first-class

quality.