api 5ct seamless steel pipe manufacture
seamless steel pipe manufacture 1.OD:6-426mm 2.WT:1-100mm 3.Length:3-12m 4.MOQ:10tons
Details of our products:
The chief indroduction of our factory:
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Authoritative certification:
CERTIFICATE OF ISO9001:2008
BV CERTIFICATE
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tina wang
api 5ct seamless steel pipe manufacture