The registration address of henan defon mechanical manufacturing limited is 200 metres south of the entrance to the great hills road of the 107th state road in pyitung county, and the registration authority is the municipal market supervisory authority of pyitengai city, represented by a legal person, and includes the manufacture and sale of machinery (the above-mentioned laws and regulations stipulate that projects that are subject to authorization are to be carried out and are to be operated on the basis of a valid licence or certificate of qualification and may not operate without authorization)。