Dear Friend KCM SPECIAL STEEL CO.,LTD we are manufacturer of stainless steel pipe and tube and fittings in china wenzhou city Material: 201, 202, 301, 304, 304L, 310S, 316, 316L,316Ti, 317, 317L, 321, 347,904L Duplex SS, S31803/2205, S32750/2507 ,S32760 MONEL400 INCONEL600 INCOLOY800