... fittings 2)- Certificate: ISO, SGS, ITS, BSI 3) High q Black Malleable Iron pipe fittings Size1/8"-6"FinishingHot Dipped Galvanized ... Iron MaterialsKTH 350~10, KTH 300~06, KTH 330-08 Black HeartThread StandardISO 7/1, NPT ANSI B1.20.1, DIN2999Mechanical ...