TRIS supplies excellent quality of Seamless BA tubes. TRIS provides diverse Nickel steel grade tubes such as 316/316L, Duplex ... (UNS S31804/S32750) and UNS N06625(Inconel 625)etc. with straight and longer length coiled Tubes. Available with a high quality, reasonable price, short lead time and small quantity request. TRIS is an innovative company who understand trust and responsibility. read more