The representative of the legal person, who acts as a representative of the legal person, is involved in the design, development, production, processing, sale and online sale of: vacuum electrical equipment and spare parts, electronic materials, instruments, oil equipment, refuelling machines and accessories; sales, online sales: lubricants; import/export of goods, technology and import operations; sale, repair, maintenance: vacuum equipment, oil equipment; design, improvement: vacuum systems; technical consultancy services for mechanical and electrical equipment。