Production, processing, and sales: metal products, paper products; sales: plastic products, wood products, labor protection supplies, office supplies, electronic equipment, hazardous chemicals (operating within the scope approved by the license), non-hazardous chemical products, mechanical equipment, special vehicles, automobiles; automobile leasing; landscaping engineering; cleaning services; domestic freight forwarding; loading and unloading services; water and electrical installation; self-operated and agent import and export of various commodities and technologies (excluding those restricted or prohibited by the state).