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


Boiler Tube


Boiler Tube
Product Description
Material: Steel grade 10, grade 20 
Standard: GB 3087-1999 
ASTM A 106, B 
Size: OD25mm-OD70mm WT2.5mm-WT12mm, OD73mm-OD168mm WT5mm-WT20mm. 
Purpose: For low and mediam pressure
Boiler Tube
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