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Shandong Zhongzheng Steel Pipe Manufacturing Co.,Ltd. We are steel pipes manufacture and exporter. Our main sizes:OD 17.3---406MM, WT:1.5--80MM. All kind of materials we can supply, ASTM A106 GR.B ASTM A53GR.B, API5L GR.B, ST52 ST37 and so on.
In past 10 years, we have exported our goods to Korea, Turkey,Iran,India, Vietnam,Egypt, U.A.E.Ukraine,Russia. and so on.
If you have any inquiry about steel pipes, please inform us, we will send our best quotaion to you promptly!