The registration address of tianjin mechanical manufacturing (shangdong) ltd. Is located at the east engineering materials market, located in the yiyuan mountains, shandong province, located on road 11, west-west, at the intersection of monk and monopoly, and is operated by a legal person representing kang's self-confidence and covering general items: agricultural machinery manufacturing; sale of gas compression machines; manufacture of gas compression machines; sale of pumps and vacuum equipment; manufacture of pumps and vacuum equipment; sale of special equipment; sale of metal products; manufacture of general equipment (other than special equipment); sale of machinery equipment; manufacture of specialized equipment (other than licensed professional equipment); manufacture of mine machinery; sale of mine machinery; manufacture of metal cutting and welding equipment; sale of metal cutting and welding equipment; manufacture of refrigeration and air conditioning equipment; sale of refrigeration and air conditioning equipment; installation services for general machinery; repair of general equipment; development of machinery equipment; and sale of mechanical parts and components. Licensed projects (in addition to those subject to legal authorization, operating autonomously on the basis of a business licence): special equipment manufacturing. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)