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


Ss welding neck flange


Ss welding neck flange: 
1)Size: 15mm~5000mm 
2)Material: Stainless steel 

Ss welding neck flange

Ss welding neck flange:

1.ISO 9001 certificates

2.DIN/EN1092/ANSI B16.5/UN/BS 4504


4.100% BELEC spectrum test

5.Carbon/forged steel/stainless steel WN flange

6.Reasonable price and reliable quality

 We manufacture all kinds of flanges,such as forged SO fange,blind flange and welded neck

flange and more as customer's requirement.


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