从China供应商批发进口Air Purification Heat Recovery Ventilation — FOB条款

The Holtop Group Air Purification Heat Recovery Ventilation system is a commercial-grade HVAC unit designed to exchange stale indoor air with fresh outdoor air while recovering up to 80 percent of the heat energy from the exhaust stream. It integrates a high-efficiency heat exchanger core, typically aluminium or polymer-based, with a multi-stage filtration array that targets particulate matter down to PM2.5 and common volatile organic compounds. The system is rated for continuous operation in environments with ambient temperatures ranging from -20 °C to 50 °C, making it suitable for year-round use in northern and central China.

Airflow capacity varies by model, with standard units handling 1 000 m³/h to 10 000 m³/h at static pressures up to 200 Pa, using backward-curved centrifugal fans that deliver quiet operation below 55 dB(A) at 3 m. Filtration is modular: a pre-filter captures larger particles, a medium MERV 13 filter removes finer particulates, and an optional activated-carbon stage adsorbs odours and gaseous pollutants. The heat exchanger uses a counter-flow design for typical thermal efficiency between 70 percent and 85 percent, with frost protection via a bypass or pre-heater circuit in sub-zero conditions.

These units are deployed in hospitals, schools, offices and industrial cleanrooms where indoor air quality and energy conservation are critical. They support compliance with GB/T 1236 for ventilation and GB 50019 for cleanroom standards typical in China. Buyers commonly source them under FOB Tianjin or CIF destination terms, with lead times of 30 to 45 days after order confirmation, and packaging in steel crates or palletised cartons for sea freight.

Holtop Group operates from No. 5 Yard, 7th Guanggu Street in the Badaling Economic Development Zone of Yanqing District, Beijing, a location dedicated to HVAC manufacturing and R&D. The company’s profile indicates a Harbor trust tier, reflecting a verified business presence and trade history, though its current response metrics are not publicly available. Holtop specialises in energy recovery ventilators and related indoor air quality solutions, serving commercial and industrial clients across China and export markets.

The supplier’s product line focuses on heat recovery wheels, plate exchangers and packaged ventilation units, with a stated commitment to energy-efficient building technologies. Its address places it within a designated industrial park, suggesting access to specialised logistics and component suppliers. While the profile does not disclose production capacity or client lists, the focus on HVAC systems for air purification and thermal management is consistent across its catalogued offerings.