Pei Wei Asian Diner, LLC, doing business as Pei Wei Asian Kitchen, ()) is an American restaurant chain serving Pan Asian fare, operating in more than 200 locations in the U.S. and six international locations. Pei Wei's dishes are made to order in an open concept kitchen using cooking methods like wok firing. The restaurant offers guest customization that includes vegetarian and gluten-free options.\nPei Wei's concept is defined by the restaurant industry as fast casual, offering the convenience of counter service and cashier orders, paired with table service once an order has been placed. Pei Wei also has a designated door in the restaurant for cashiers to service takeout food orders.