JIANG YIN LONG RUN FLANGE CO., LTD.
DUPLEX/ SUPER DUPLEX STEEL MATERIALS CONTAIN
F51/ S31803/ 1.4462 
F44/ S31254 
F53/ S32750 
F55/ S32760 
F60/ S32205

DISCOVER OUR PRODUCTS WITH STABLE PERFORMANCE AND RELIABLE QUALITY

 
Longrun has advanced technical equipment: Air forging hammer,CNC machine, Heat-treatment Furnace, and so on.

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