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


Carbon Alloy Seamless Pipe

Carbon alloy seamless pipe
2)Standard:GB/T8162-1999,GB/T8163-1999 DIN JIS..etcSeamless pipe


Seamless steel pipe|
Carbon steel pipe|
Stainless steel pipe|


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