Chongli Portable Toilet
Chongli portable toilets are characterized by freeze resistance, intelligence, and environmental protection, adapting to mountainous snowy environments and water resource constraints, and are widely used in ski resorts and outdoor campsites.

I. Freeze-Resistant and Intelligent Design
Chongli portable toilets are primarily of the "freeze-resistant" and "intelligent" types. Freeze-resistant public toilets use 80mm-thick insulated cabin bodies with carbon crystal electric heating films inside, maintaining an internal temperature above 15℃ in environments as cold as -40℃, ensuring normal operation of pipes and equipment. Intelligent public toilets integrate multiple technologies: touchscreen guides provide location and usage information; environmental monitoring systems display real-time temperature, humidity, and air quality; automatic disinfection devices sterilize on a timer using ultraviolet light or ozone; and remote operation and maintenance functions support real-time monitoring of equipment status and fault warnings. Some products are also equipped with intelligent sensor flushing, automatic deodorization, and temperature control systems to enhance user experience.
II. Modular Technology and Environmental Adaptation
Portable toilets adopt a modular design for easy transportation and rapid installation, flexibly adapting to complex terrains such as mountains, grasslands, and snowy areas. Technologically, they focus on three main directions:
- Solid-Liquid Separation and Microbial Degradation: Through separation devices, excreta is converted into solid fertilizer and liquid water, reducing sewage discharge;
- Vacuum Negative Pressure Flushing System: Utilizes negative pressure suction for water-saving flushing, with total water consumption only one-tenth of conventional products;
- Circulating Flushing Technology: Combines microbial treatment with membrane filtration to achieve water resource recycling, suitable for the water-scarce conditions in Zhangjiakou.
Additionally, freeze-resistant and explosion-proof pipes, insulated walls, and heating and ice-melting devices ensure stable operation of the equipment in severe cold climates.
III. Scenario-Based Applications and Customized Services
The main lessees of Chongli portable toilets are ski resorts and summer outdoor campsites. Depending on altitude differences, leasing companies select different models: standard freeze-resistant public toilets are used in areas below 1,500 meters above sea level; while specially made public toilets equipped with pressurized oxygen supply systems are used in high-altitude ski resorts above 1,500 meters to cope with high-altitude hypoxia. Local factories, leveraging their cold-resistant technological advantages, offer customized services, adjusting product configurations according to the terrain, visitor flow, and water and electricity conditions of scenic spots, such as increasing water storage capacity or optimizing sewage discharge paths. The after-sales maintenance network supports rapid response to ensure long-term stable operation of the equipment.
IV. Localized Production and Typical Enterprises
The Chongli region has factories with cold-resistant technological advantages, such as Chongli County Weaving Factory, which comprehensively provides outdoor portable toilets, fire-resistant portable toilets, and other products to meet different scenario needs. These enterprises provide strong support for regional tourism infrastructure through technological innovation and localized services.




