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Jiangyin Long Run Flange Co., Ltd approved by TUV/ASME/ISO, nowday has developed as a professional manufacturer of stainless steel flange, duplix flange,super-duplix flange,alloy steel flange and carbon steel flange.

There're some reasons you choose LONGRUN

*100% PMI Inspection
Each finished flange before package is inspected by PMI(positive materival identification). It avoids any mixing of material and wrong hard stamping on flange.

*100% Heat Treatment
Heat treament can stable mechanical of material.Longrun proceed 100% heat treatment acc. to EN10222-5 ,ASME A182.

*100% Dimension Inspection
Technician contract tolerance based on standard when issuing drawing for worker.So,dimension is strictly controlled on lath machining. Eventhough,our QC inspects each part of each dimension of  every piece.

*100% Exporting
Focus on global business,Longrun's customers are all over world. All of our flanges are for exporting. We have good experience on logestic, to help our customer solve many problem.

* Response within 24hours
As long as receive enquiry,our sales representative can response within One day  by e-mail or phone.

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