... Our mostly products are stainless steel standard fasteners, you can choose mainly materials between 200, 201,202, 304 , 316(A2, A4), ... nuts, flat washers, spring washers etc. Other products include stainless steel round bars, angle iron, channel bars, wire rods, stamping ... construction, machine, chemical produce, traffic product, and environment engineering. Stainless Steel 200 304 316 channel bars