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


SAW spiral steel pipe


SAW spiral steel pipe
spiral steel pipe
standard GB/T 9711.1-1997,GB/T 3091-2001
Grade:16Mn,Q195-Q345,L210,L245, L290,L360,L415,A,B,X42,X46,X52,X56,X60
Section shape:round
Outer diameter:219-2020mm
SAW spiral steel pipe
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