Production and sales of automotive stamping parts and plastic parts; sales of assembly parts; self-operated and agent import and export of various goods and technologies (excluding goods and technologies restricted or prohibited by the state, and excluding dangerous goods); research and development of automotive parts and molds. General items: high-speed rail equipment and配件 sales; high-speed rail equipment and配件 manufacturing; railway locomotive and rolling stock parts manufacturing; railway locomotive and rolling stock parts sales; industrial robot sales; industrial robot manufacturing; intelligent robot research and development; mechanical parts and components processing; automotive parts and配件 manufacturing; mechanical parts and components sales.