The registered address of the city of changtong mechanical science and technology, ltd. Is located in lushi, one kilometre south of the road intersection of the city of mizhou and industrial boulevard, shandong province. The registration authority is the municipal market supervision authority, represented by a legal person, and includes research and development, processing, sale of paper-making machinery, sewage treatment equipment, food machinery and accessories, farm machinery, environmental protection machinery and accessories, packaging machinery, slaughtering machinery; sale of construction materials, hardware and electricity, steel; and import and export of goods. (projects subject to legal approval are not allowed to operate without the approval of the relevant department