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


API casing pipe BTC LTC STC premium connection


Wall Thickness:0.205''~0.514'' 
Thread type STC/LTC/BTC/extrime line 
Certificate: API-5CT1188&API-5DP

API casing pipe BTC LTC STC premium connection


1.Casing serves as walls of a well

2.Model number  4 1/2''~20''

3.Packing detailed:packed in bundles or Export Standard Package or according to the customer's    requirements

4.Surface:varnishing coating

5.Certificate: API-5CT1188&API-5DP0085 

6.Main market:North America,Eastern Europe,Southeast

  Asia,Western Europe,Africa,Mid East

7. Professional manufacturer ,rich stock.

 High quality,competitive price,best service







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