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


Large diameter thick wall seamless steel pipe


Large diameter thick wall seamless steel pipe 
Clean and pure steel quality, well- proportioned and stable ingredients, perfect 

Standards and Grades:

Large diameter thick wall seamless steel pipe
ASTM A106 Grade A/B, A53 Gr A& B, St37, 10#, 20#, 45#, etc.

Other standard and grade is also availalbe as per clients' requirements

non sparking tools,
striking wrench,
non magnetic tools,
slogging spanner,
safety tools||Specification: O.D.12-1020mm, W.T. 2-60mm.


Bevelled/plain end or varnished to be confirmed by clients 

Marking: as per customer's requirement

Dimensions, Mechanical properties, Chemical compositions: 
Refer to relative standard or as per clients requirements


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