The city permanent mechanical science and technology ltd. Is located in the economic development area of the cities of yanjong, shandong province. It is registered as the city market supervisory authority and is represented by a legal person, wang gui zhong, and operates in the areas of production, sale of food machinery and accessories, agricultural machinery and accessories, environmental machinery, import and export of goods. (projects subject to legal approval are not allowed to operate without the approval of the relevant department