Cement, steel materials products like nails, sheet metal roof
Stainless steel boxes sheet metal
Classified as material, metal parts: castings, forgings, stamping, precisely machined, metal sheet fabrication, fastener etc;, magnet: permanent magnet, ndfeb, ferrite, bonded, alnico, ceramic: industrial ceramic like alumina, zirconia, silicon carbide etc; daily-use ceramic like dinnerware, drinkware, plastic, rubber, injection plastic. classified as product