Manufacturing of special metallurgical equipment; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of intelligent basic manufacturing equipment; manufacturing of industrial automatic control system devices; manufacturing of industrial control computers and systems; manufacturing of servo control mechanisms; manufacturing of mechanical and electrical equipment; manufacturing of power transmission and distribution and control equipment; manufacturing of hydraulic power machinery and components; manufacturing of special equipment for environmental protection; manufacturing of dust removal technical equipment; sewage treatment and recycling; manufacturing of industrial robots; technical services, technical development, and technical consulting