The registered address of Xingtan Instrument Factory in Qufu City is located south of Longhu Street, Qufu City. The registration authority is Qufu Market Supervision Administration, and the legal representative is Liu Zhiling. The business scope includes the manufacturing and sales of teaching instruments and sports equipment; Mechanical processing sales; Construction of landscaping and greening projects; Advertising design, production, and release. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)