yang mengyin is the company's president. yang opened her first hot pot store when she was only 18. she's since made the business one of the top 50 hot pot companies in chongqing. when yang opened her first store in 2010, the hot pot industry faced harsh criticism due to news coverage of restaurants using filtered sewage oil. yang placed a strong emphasis on making a clean business seen from a customer's perspective. >> yang's restaurants have a different interior and atmosphere depending on the location. they sometimes target younger customers in areas frequented by youth with more family-friendly ones in residential areas. it's a strategy for attracting customers who wouldn't normally eat hot pots served by street vendors. yang's restaurants are always packed, day and night. to further boost sales, yang's company recently began online deliveries. they set up a system where customers can easily order from home. until now, no one had thought of such a hot pot delivery service. exactly the same ingredients are used as in the restaurants, making big cuts on running costs and labor. th