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 Structural Steel Pipe (A36)

 Product Description

Our company is a professional manufacturer of carbon Steel Pipe, alloy Steel Pipe, seamless stainless Steel Pipe, welding Pipe, HF welding Pipe, hexagon Steel Pipe, square Steel Pipe, and special-shaped Pipe. 
Steel pipe |
Seamless steel pipe|
Carbon steel pipe|

Carbon Steel Pipe (ASTM A36) 
1)Seamless Steel Tubes for Petroleum Cracking 
Standard: GB9948 is used for the seamless steel tubes for furnace heat exchangers and piping in petroleum factories Galvanized steel pipe

Stainless steel pipe

10#, 20#, 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, 1Crl9Ni9, 1Crl9NillNb etc. 
API steel pipe|
ERW steel pipe|
Seamless steel pipe|
2)Line Pipegb with standard API SPEC 5L, is used for conveying gas, water, and petroleum of both the oil and natural gas industries. 

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