Does Yantai Yuanda handcuffs belong to the country?

Don't belong. Yantai Yuanda Handcuffs is a private enterprise, not state-owned. Private enterprise refers to a commodity production and business operation unit in which the owner or manager takes private property as capital, operates independently according to law, is responsible for its own profits and losses, and relies on its own labor and wisdom to obtain profits. Therefore, Yantai Yuanda handcuffs do not belong to the country.