Top Standard Corp. is an investment holding company, which engages in the operation of restaurants. It operates through the following segments: San Xi Lou, Pure Veggie House, Ronin Central, and Ronin Wanchai. The San Xi Lou segment refers to the restaurant that offers Sichuanese and Cantonese cuisine. The Pure Veggie House segment offers vegetarian cuisine. The Ronin Central segment provides Japanese cuisine, located in Central, Hong Kong. The Ronin Wanchai segment covers the restaurant operation in Wanchai. The company was founded by Stanley Chuk on February 11, 2016 and is headquartered in Hong Kong.