1,Material: stainless steel AISI 3162,Quality: a, high quality, b, quality standard:ISO:9001:20003.surface treatment: a, mirror polishing, b, dull polishing, c, Heat Treatment, d, hot dip galvanizing 4.Process: lost wax process, silica sol process casting6.Small orders accepted5,Usage: used as marine parts, Machinery parts,yacht..