Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


Gas cylinder pipe


We can provide you various kind of seamless steel pipes with competitive price and good qulity. Welcome your enquiries.

Product name

JIS G3462 seamless carbon steel pipe




STBA20,STBA22,STBA23,STBA24,STBA25,STBA26,ASTM A213 T2,ASTM A213 T12,ASTM A213 T11,A199 T11,ASTM A213 T22,A199 T22,ASTM A213 T5,A199 T5,ASTM A213 T9,A199 T9,DIN 17175 13CrMo44 ,DIN 17175 10CrMo910,DIN 17175 12CrMo195,DIN 17175 X12CrMo91,GB9948 GB5310 GB6479 12CrMo,GB9948 GB5310 GB6479 15CrMo,GB5310 12Cr2Mo,GB6479 12Cr2Mo,GB9948 1Cr5Mo,GB6479 1Cr5Mo



Outer diameter

6mm-800 mm


Boiler, heat exchangers used carbon steel tube


Standard seaworthy packing


 ISO , API, Mill Test Certificate

Main market

USA, Canada, Turkey,Europe,Asia.


If you have some question,please feel free to contact me. we can offer you best price and good qulity

Gas cylinder pipe


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