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

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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