three months. According to the official website of Milla Suo Hotel, the probation period of catering waiters in Milla Suo Hotel is between one month and three months. Xi 'an Milla Suo Hotel Co., Ltd. was established on May 4, 2115, with its registered place at No.222, Fangxi Street, Baqiao District, Xi 'an, and its legal representative is Zhang Xuchang. Business scope includes accommodation. KTV entertainment. Manufacturing and selling of hot food. Manufacturing and selling of cold food. Manufacturing and selling of raw food. Self-made drinks, sold in prepackaged foods. Conference services. Real estate operating lease. Acting for selling electricity. Hotel management; Sales of hotel supplies and daily necessities.