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


DIN2391 steel pipe


DIN2391 steel pipe 
for automobile industry and oleohydraulic and pneumatic systems.

DIN2391 steel pipe


Outside diameter: 5-108mm. 
Wall thickness: 0.5-17 mm.

Steel grade:  St34.2, St35, St37, St45, St52


- Fuel lines and engine conduits. 
- Refrigerating and heating systems. 
- Brakes. 
- Hydraulic circuit



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