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


API 5L GR. B ERW Steel Pipe


API 5L GR. B ERW Steel Pipe
ERW steel pipes 
Diameter: 219-610mm 
Thickness: 4.5-16mm 
Length: 6-12m/PCS 
Standard: API Spec 5L. API Spec. 5CT. GB/T9711.1/2 
Grade: GB/T9711: L210-L485. API 5L: A-X70...H40. J55. K55. N80 
External Coating: 2PE. 3PE. FBE 
Steel pipe |
Seamless steel pipe|
Carbon steel pipe|
Stainless steel pipe|
Seamless pipe | 
API  pipe|
ERW pipe|
Alloy pipe|
spiral steel pipe|
Galvanized steel pipe|

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