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


ASTM A53 Steel Tube


1) Varieties: SGP, SCH 20, STD, SCH40, SCH80, SCH160, XS, XXS 

2) Standard: API, ASME, B36.10M 1996, JIS, DIN, GB8162, GB8163, GB5310 

3) Material: ASTM A106 GRB/ A53 GRB/ API 5L GRB/ API 5 CT/ Q345/ A335/ ST37/ ST52 

4) Size: 1/2"-48" 

5) Surface treatment: Black rust-proof oil, transparent oil, hot galvanizing, 3PE, epoxy coating 

6) Applications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc 

7) Packaging: Pipe cap, steel strips bundled 

8) Price: Very competitive 

9) Payment: T/T OR L/C OR Western Union. 

10) Special design available All the production process are made according to ISO9001: 2000 strictly


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