China's largest coffee chain, Luckin Coffee, opened its first two stores in the United States on Monday, marking its entry into the competitive American coffee market.

Luckin Coffee Inc., the Chinese chain that overtook Starbucks back in its home market, is turning up the heat with the opening of its first US locations in New York on Monday.

Starbucks faces significant challenges from domestic rivals like Luckin Coffee, which attracts customers with cashier-less stores and drinks priced as low as 8.8 to 9.9 yuan ($1.23 to $1.38). Now, Luckin Coffee is expanding in America,