Dongfeng Multi-functional Tunnel Wall Cleaning Truck

The Dongfeng Tunnel Cleaning Truck is a specialized maintenance vehicle designed for the automated cleaning of tunnel walls, highway barriers, and subway surfaces. Mounted on a robust Dongfeng (DFAC) chassis, this vehicle integrates a high-pressure water system with a flexible, multi-degree-of-freedom hydraulic cleaning arm. It significantly reduces labor costs while ensuring superior cleaning efficiency and safety on expressways and urban infrastructures.

• Intelligent Hydraulic Arm: Equipped with a 360° rotating telescopic arm that can reach various heights and angles, making it perfect for curved tunnel ceilings and side walls.
• Dual Cleaning System: Combines high-pressure water jets with a high-density nylon rolling brush to remove stubborn soot, dust, and oil stains effectively.
• Chassis Reliability: Built on the world-renowned Dongfeng chassis, known for its powerful engine performance, fuel efficiency, and long service life.
• One-Man Operation: The entire cleaning process is controlled from within the cabin via a joystick and PLC system, ensuring operator safety and precision.
• Customizable Tanks: High-capacity stainless steel or carbon steel water tanks (ranging from 5,000L to 12,000L) to support long working hours without frequent refilling.
• Safety Lighting: Integrated with professional warning lights and reflective markings for night-time operations in tunnels.

Primary Applications

• Expressway Tunnels: Removing exhaust soot and dust to improve visibility.
• Urban Underpasses: Regular maintenance of city tunnels and sound barriers.
• Subway/Metro Maintenance: Specialized cleaning for underground transport walls.
• Highway Guardrails: High-efficiency cleaning of roadside fences and barriers.

Dongfeng Multi-functional Tunnel Wall Cleaning Truck

Dongfeng Multi-functional Tunnel Wall Cleaning Truck

About Chengli Special Automobile Co., Ltd

1. Location and Scale
Headquarters: Located in Suizhou City, Hubei Province, China, which is known as the "Capital of China's Special Purpose Vehicles."

Scale: The company is a large-scale enterprise, often ranked among the Top 500 Private Enterprises in China. It has a large asset base, covers a significant area (often stated as over 2,000 acres), and employs a large number of staff.

Annual Production Capacity: The annual production capacity for special vehicles is typically around 100,000 units.

2. Products and Specialization
Chengli is known for producing one of the most comprehensive and diverse product lines in the special-purpose vehicle industry in China. Their main products fall into several major categories:

• Sanitation Trucks:
  • Garbage Trucks (Compactor, Swing Arm, Hook Lift)
  • Water Sprinkler Trucks (Water Bowsers)
  • Sewage Suction and Fecal Suction Trucks
  • Road Sweeper Trucks (like the Dongfeng model you asked about)
  • High-Pressure Cleaning Trucks
  • Dust Suppression Trucks
• Tanker Trucks & Pressure Vessels:
  • Fuel/Oil Tanker Trucks and Trailers
  • LPG (Liquefied Petroleum Gas) Tanker Trucks and Storage Tanks
  • Chemical Liquid Tanker Trucks
• Construction & Engineering Vehicles:
  • Truck-Mounted Cranes (Knuckle and Straight Boom)
  • Aerial Platform Trucks (Manlifts)
  • Dump Trucks
  • Concrete Mixer Trucks
  • Wrecker/Tow Trucks
• Other Specialized Vehicles:
  • Fire Fighting Trucks (Fire Engines)
  • Refrigerated Van Trucks (Reefers)
  • Ambulances
  • LED Advertising Trucks
  • Mobile Homes (Motorhomes)

3. Industry Standing and Certifications
Official Designation: The company is a large-scale vehicle manufacturing enterprise designated by the Chinese government (specifically the Ministry of Industry and Information Technology) to produce various special-purpose vehicles.

Brand: Their registered trademark and product code is "CLW" or "CHENGLIWEI," which is recognized as a "China Famous Trade Mark."

Partnerships: They maintain long-term relationships with major Chinese and international chassis manufacturers such as Dongfeng, ISUZU, SINOTRUK (HOWO), FAW, FOTON, etc.

Quality Assurance: The company holds numerous international and national certifications, including:

• ISO 9001 (Quality Management)
• ISO 14001 (Environmental Management)
• ASME and ADR (for pressure vessels and dangerous goods transport)
• China Compulsory Certification (CCC)

4. Market and Export
Chengli's products are sold across China and exported globally to many countries and regions, particularly in:

• Southeast Asia
• Africa
• South America
• The Middle East
• Central Asia

Established in Sep. 2004,Chengli Special Automobile Co., Ltd is an important branch of CLW group with registered capital 100,000,000 RMB(14 millions US Dollars) and total capital 6,000,000,000(840 millions US Dollars).

Chengli Special Automobile Co., Ltd Overseas Market

1. Africa
Africa is a major market for Chengli's special-purpose vehicles, particularly for sanitation, water transport, and fuel transport trucks.

• East Africa: Tanzania, Kenya, Uganda, Malawi, Angola.
• West Africa: Nigeria, Ghana, Senegal, Togo, Benin, Niger, Mali, Congo.
• Southern Africa: South Africa, Zambia, Zimbabwe.

2. Asia and the Middle East
They have a strong presence in both Southeast and Central Asian countries, often supplying trucks essential for public works and logistics.

• Southeast Asia: Philippines, Vietnam, Myanmar, Thailand, Cambodia, Laos, Malaysia, Singapore.
• Central Asia: Kazakhstan, Uzbekistan, Kyrgyzstan, Mongolia.
• Middle East: Saudi Arabia, UAE (United Arab Emirates), Yemen.

3. South America
The company actively exports various trucks, including water and fuel tankers, to the South American continent.

• Notable Countries: Peru, Bolivia, Panama, Chile, Venezuela, Ecuador.

4. Other Global Markets
Chengli also exports to other regions, including:

• Eastern Europe/CIS: Russia.
• Oceania: New Zealand, Australia.

Trucks from Chengli Special Automobile Co., Ltd have been sold to more than 29 provinces in China and more than 80 overseas countries and regions in Asia, Africa, South America, middle east and so on, such as Russia, Mongolia, Philippines, Vietnam, Cambodia, Myanmar, Laos, Kazakhstan, Uzbekistan, Kyrghzstan, Tanzania, Zambia, Nigeria, Australia, Chile, Bolivia, Ethiopia, Sudan, Malaysia, Congo, El Salvador, Iraq, New Zealand, Chile, Bolivia, Argentina and also truck body for client drawing