(i) technology and technology promotion; construction of industrial robotics; manufacture of instrumentation instruments; manufacture of electrical and electrical equipment; construction of electrical and electrical equipment; development of electrical and technological technology; development of technological and technological equipment; sale of electrical and technological equipment; sale of electrical and technological equipment; sale of electrical and technological equipment; sale of electrical and technological equipment; sale of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of electrical and technological equipment; development of technological equipment; development of technological and technological equipment; development of technological and technological equipment; sale of electrical and technological equipment; sale of electrical and technological equipment; sale of electrical and technological equipment; development of equipment and maintenance of technological equipment