The registration address of zheng dinghun mechanical manufacturing co. Ltd. Is located in the south of the village of sifan village in the town of lianjoo, in the city of quantai, hebei province. The registration authority is the market supervision authority of the district of lungu, represented by a legal person, and covers the production and sale of food machinery, mine machinery, carpentry machinery and machine-bed equipment. (projects subject to legal approval may not operate without the approval of the relevant department)