Drill Collars
KUNFENG has a long story on supplying ASME SA588Grade B(SA588GRB) Weather Resistant Steel Plate. KUNFENG have set up long relationship with many users of ASME SA588Grade B Steel Plates.
Large engineering machinery-flange forgings
As you know, GB/T 3077 15CrMo steel plate is alloy steel plate. KUNFENG is professional supplier of GB/T 3077 15CrMo alloy steel plate.