At Shandong Wanneng Group, we specialize in providing high-quality air duct solutions tailored to meet the unique ventilation needs of your projects. Whether you're managing a commercial facility, industrial plant, or public infrastructure, our air ducts are engineered for efficient airflow, durability, and energy savings. With professional support, fast delivery, and customized service options, we are committed to helping contractors, HVAC professionals, and builders install reliable duct systems that perform under pressure. Let us be your trusted partner in creating healthier, more efficient indoor environments.
Why Choose Us?
Strong Manufacturing Base
Shandong Wanneng Group operates on a vast 270,000-square-meter facility, including 150,000 square meters of modern workshops. With a registered capital of 78 million yuan and a skilled team of 800 employees—including 296 technicians and 35 senior engineers—we ensure precision and professionalism in every product.
Advanced Production Equipment
Our factory is equipped with cutting-edge technology, including three refrigeration unit lines, five fan coil lines, two machine tool lines, two aluminum alloy lines, and five exterior wall insulation lines. With over 80 large-scale machines, we maintain high efficiency and consistent output.
Certified Quality Standards
We are ISO9001:2000 and ISO14000 certified, demonstrating our commitment to international quality and environmental standards. Every product is closely monitored and tested to meet strict performance guidelines.
Impressive Production Capacity
Each year, we produce 150,000 HVAC terminal units, 50,000 ventilation systems, 2,800 refrigeration units, 1 million m² of wall insulation, 2,200 tons of aluminum profiles, 6,000 tons of cable trays, and 200,000 m² of ventilation ducts.
