From street markets to music festivals, from brand pop-up stores to community charity events, the Donut Trailer is becoming the most dynamic new format in the catering industry with its unique shape, flexible operation model and diversified product portfolio. It is not only a mobile kitchen selling donuts, but also an immersive experience space that integrates food, culture and social interaction, redefining the consumption scenario of “instant gratification”.

Donut Trailer

Core Features

1.Intelligent Production System

  • Integrated micro-automatic production line, from dough fermentation, frying and shaping to icing spraying, the whole process is precisely controlled by PLC control system. For example, the frying module is equipped with an infrared thermometer to ensure that the oil temperature is constant at 185℃±2℃ to prevent the donuts from absorbing too much oil and causing a greasy taste. The hourly production capacity reaches 200-300, which can easily cope with peak passenger flow.

2.Environmental protection and energy-saving design

  • The lightweight lithium battery pack (capacity 20kWh) is used to replace the traditional diesel generator to support 8 hours of continuous operation; the fume purification system uses electrostatic adsorption + UV photolysis technology, with a purification efficiency of 95%, which meets the EU EN1846 environmental protection standard and can be directly stationed in indoor shopping malls.

3.Safety and hygiene standards

  • The food contact area of ​​the whole vehicle is made of 304 stainless steel, equipped with an ozone disinfection cabinet and an automatic cleaning spray device, and has obtained HACCP certification; the employee operation area and the customer pick-up area are physically isolated to reduce the risk of cross contamination.

4.Data-based operation support

  • Built-in IoT module, real-time upload of sales data, equipment status and inventory information to the cloud management platform, generating hot-selling product rankings and peak traffic analysis, helping operators optimize menus and shifts.

Internal equipment

1.Production area

  • Smart dough mixer: supports pre-storage of 10 recipes, accurately controls the water-powder ratio and kneading time;
  • Rotary fryer: 6-hole independent temperature-controlled frying basket, can make donuts of different flavors at the same time;
  • Frosting sprayer: 3-axis robotic arm achieves uniform drizzling, supports switching of 6 sauces such as chocolate and matcha.

2.Storage area

  • Three-temperature zone refrigerator: the upper layer stores fresh cream at 2-8℃, the middle layer stores unprocessed dough at 0-4℃, and the lower layer freezes finished products at -18℃;
  • Smart shelves: real-time monitoring of inventory through gravity sensing, automatically triggering replenishment reminders when out of stock.

3.Service area

  • Dual-screen ordering system: The customer-side touch screen supports multi-language ordering and customized needs (such as “low sugar version”), and the clerk side displays the production progress;
  • Self-service pick-up port: equipped with infrared sensing door to reduce the risk of contact transmission;
  • Payment terminal: integrated with NFC, QR code, foreign currency recognition module, supporting 15 international payment methods.

4.Extended function area (optional)

  • Coffee module: equipped with a fully automatic Italian coffee machine, providing a “donut + coffee” package combination;
  • Photo check-in area: set up an AR interactive wall, customers can scan the code to take a photo with a virtual donut;
  • Takeaway order cabin: independent insulation cabinet to store takeaway orders, riders with the meal code to pick up the goods without contact.

Application

1.Cultural and tourism scenic spots

  • In high-traffic scenes such as Disneyland and Universal Studios, Donut Trailer attracts tourists with “themed limited editions” (such as Halloween pumpkin shape and Christmas snowman icing), and the single-day sales exceeded 10,000 yuan.

2.Corporate activities

  • Customized co-branded donuts for companies such as Google and Starbucks as employee benefits or customer souvenirs to enhance brand affinity.

3.Music festivals and exhibitions

  • Its rapid deployment capability (1 hour to complete the venue construction) makes it a standard for activities such as Coachella Music Festival and CIIE. Through the “walk and sell” mobile line design, it increases the unit area revenue.

4.Community charity

  • Cooperated with UNICEF to launch the “buy one, donate one” plan. For every donut sold, a nutritious meal is donated to children in poor areas, giving social value to commercial behavior.

5.Emergency response

  • During natural disasters, it was converted into an “energy supply station” to provide high-calorie fast food for rescue workers. It has participated in rescue operations such as the Australian wildfire and the Turkish earthquake.