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


Oil Country Tubular Goods,OCTG

 Seamless tubing with coupling and thread protector 
Standard: API 5ct (certificate no. 5ct 023) 
Outside diameter: 1.9''--------4-1/2'' 
Steel grade: H40, J55, K55, N80, L80, P110, C90, C95, T95, Q125 
Thread type: EU, NU, PE 
Length range: R1, R2, R3 
Mainly product: Seamless casing, seamless tubing, seamless oil pipe(tubing), natural gas pipe(tubing), seamless steel pipe(tubing), casing accessories(tubing), drill pipe, premium connector(tubing), vam connector(tubing), couping, thread protector, pup-joint and liner pipe(tubing).


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