The registration address of the porter city key mechanical equipment company, ltd., is located at the queen quantai quanu, poizhou city, hebei province. The registration authority is the porter city market supervisory authority, representing zhao yanfang and operating in the areas of automobile moulds, hardware rushing, mine equipment, electronics, axles, environmental equipment, industrial packaging, manufacture and sale; mechanical processing** (project authorized by law and subject to the approval of the relevant authorities)