... supplying high-quality service. Products Details Brand Name SITO standard steel Grade 300 series (304, 304 L, 309, 310S, 316, 316 ... demand, my pursuitWe also sell round bar , flat bar, angle steel, Channel steel, hexagonal bar, bright rod, black bar. Pls don't ... 0755 6051 (Shenzhen)+852-5461 1855 (Hong Kong)Yuki Deng 2012 ASTM/AISI 309S Stainless Steel Pipe