General projects: steel rolling processing; non-ferrous metal alloy manufacturing; non-ferrous metal rolling processing; metal wire rope and its products manufacturing; metal surface treatment and heat treatment processing; non-ferrous metal casting; forgings and powder metallurgy products manufacturing; oven, furnace and electric furnace manufacturing; general parts manufacturing; mechanical parts and parts processing; general equipment manufacturing (excluding special equipment manufacturing); metallurgical special equipment manufacturing; mold manufacturing; special equipment