The registration address of jenan kaysung hydraulic machinery ltd. Is located at the general of the sunang city district of shandong province, in area e of the market for spare parts for engineering works, with the registration authority being the market supervision authority of jeunan city, with the legal personality representing song sooyang and covering the production of mechanical equipment and accessories; the wholesale and retail distribution of hydraulic system equipment, hydraulic components, hydraulic cylinders, pumps, valves, mechanical equipment and accessories, electronic components, environmental protection equipment and accessories, instrument meters, electrical equipment and accessories; maintenance of machinery equipment; rental of machinery and equipment (excluding financial leasing); general contracting for construction work (on the basis of a certificate of qualification) and other projects that are not prohibited and do not require a permit to operate by law, regulation, state council decision, etc. (projects subject to legal approval may not operate without the approval of the relevant department)