open its doors

open its doors (third-person singular simple present opens its doors, present participle opening its doors, simple past and past participle opened its doors)

1. (of a business or organization) To begin operating.
2. (of a country or a territory) To allow or invite outside influence, investment or immigration.

   China opened its doors in the 1970s.

• close its doors

• open the door
• one's door is open

• “open its doors”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
• “open its the doors” (US) / “open its the doors” (UK) in Macmillan English Dictionary.