HEBEI KAIFENG METAL PRODUCTS CO.,LTD. We major production is CARBON STEEL PIPE,NIPPLE,FITTING AND FLANGES. Our Main products as follow :        1) Main Standard : ASTM, ANSI, JIS,DIN,EN, GOST,BS,UNI,SABS, ETS.        2)Main Material: A235,SS400,SF440A,ST37,A105,A234,16MA,20MN,CT20,304,304L,316,316L        3)Main Pressure: PN2.5-PN100. 150#-5000#,5K,10K,40K,SCH10,SCH20,SGP,SCH40,SCH80,SCH160,XS,XXS,STD,etc.           4)Main Type:            Flange: WNRF, WNFF, SORF, BLFF, BLRF, SWRF ,PLRF,PLFF,LONG NECK FLANGE,ETC            Pipe fitting: Elbow, Tee, Reducing , Caps ,Saddle            Pipes: Seamless pipe , Weldingpipe , Spiral Pipe            Socket Fitting: Threaded Elbow , Tee, Cap, Coupling, Union, Nipple, Hex, Head Plug       5) Surface Treatment: Antirust Oil, Paint ,Galvanize, Hot Galvanize