Casting of aluminum die-castings; manufacturing of automobile carriages, vehicle parts, diesel engine parts, and molds; metal cold working; sales of metal materials, hardware tools, knitwear, daily necessities, and hardware; self-operated and agent import and export of various commodities and technologies, excluding those restricted or prohibited by the state; road freight transport operations (within the scope approved by the Road Transport Permit). Licensed items: Power supply services; power generation, transmission, and distribution (power supply) services.