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Anti-panic handles are a kind of handles that are commonly used for emergency and fire-proof exit doors in crowded places

Anti-panic handles are a kind of handles that are commonly used for emergency and fire-proof exit doors in crowded places

Anti-panic handles are a kind of handles that are commonly used for emergency and fire-proof exit doors in crowded places

In fact, door closer is a mechanism that usually place on the top of the door to cause the door

door closer is a mechanism that usually place on the top of the door to cause the door close slowly.

New building standards typically required to use of the doors that are equipped with anti-panic handles in commercial, office or