All of our products are made from austenitic stainless steels that are provided by domestic large-scale iron and steel enterprises. (Subtitle: JIUQUAN IRON AND STEEL (GROUP) CO., LTD, TIANJIN TISCO & TPCO STAINLESS STEEL CO., LTD, COLD ROLLING PLANT OF BXSTEEL PLATES CO., LTD.) All materials, including the 430, 201 and 304 stainless steel plates, comply with national and ASTM standards.