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


Carbon Steel Tubing

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Product Description

Carbon Steel Pipe 
Carbon steel tubing, carbon steel tube, seamless carbon steel tubing, Seamless Carbon Steel Pipe/Tube 
Our company is a professional manufacturer of carbon Steel Pipe/tubing/tubing, alloy Steel Pipe/tube/tubing, seamless stainless Steel Pipe, welding Pipe, welding steel tubing, welding steel tube HF welding Pipe. 
Standard: GB9948---------Chinese National Standard. 
A106 GR. B Oil pipeline |
Welded steel Pipe
Casing Pipe |
Seamless pipe | 

API 5L GR. X42 Drill pipe|
Thick wall steel pipe
API 5L GR. X42 / 46 / 52 / 56 60 / 70 
A333 GR. 3/GR. 6, etc 
Grade: 1012, 1010, 1015, 1017, 1020, 1029, 1025, 1030, 1022, 1030, 1035, 1045, etc. 
Steel Tubing Grade: Pipe fittings
Black Steel Pipe | 
Structural Steel Pipe | 
steel pipe schedule | 
10# 20# 1 2C rMo 15C rMo1C r2Mo1C r5Mo1Crl9Ni9 1Crl9NillNb etc 


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