The tonda packaging machinery plant in winzhou is registered at 18 houses located on the 20th street of winzhou economic technology development zhejiang province and is registered as the market supervision authority of long bay district of winzhou city, represented by legal persons sun asson, and covers general items: manufacture of specialized packaging equipment; manufacture of general spare parts; processing of mechanical parts, parts and components; manufacture of general equipment (other than special equipment); manufacture of general valves and rotor plugs (other than special equipment); manufacture of hydraulic power machinery and components; manufacture of specialized equipment (other than licensed professional equipment); sale of moulds; manufacture of moulds; sale of internet (other than goods for which permission is required); sale of ballast machinery and components; sale of gas compressive machinery; sale of hydraulic machinery and components (other than gas compressing machinery); sale of hydraulic machinery and components) in addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence). Licensing projects: import and export of goods; import and export of technology (projects subject to legal approval are not allowed to operate until the approval of the relevant department, depending on the approval)。