The registration address of shandong dai fai smart technology ltd. Is 100 metres from the village council at the north-west of sun quang village, the first road of the city's mayor, wen chang quan, shandong province. The registration authority is the qing qing zhou market supervisory authority, represented by a legal person, and includes the development, manufacture, sale, maintenance (other than special equipment manufacture) of general equipment technology, the manufacture, sale and sale of hydraulic machinery parts and components, maintenance, rehabilitation of non-pressure pipes, import and export of goods, technical import and export agents. (projects subject to legal approval may not operate without the approval of the relevant department)