The Largest manufacturer of Ventilation Equipment and Accessories in Zhejiang Province, China. Established in 1996, Ningbo Aier Ventilation Equipment Co., Ltd has been developed as one of the leading Chinese exporter of ventilation equipment and accessories for HVAC system. Set up by Yuyao Jingqiao Hardware Manufacturer(JH Stamping Company), Aier has another huge advantage in producing custom metal stamped components. Aier is exporting more than 95% of its products such as Iris damper volume controld damper, metal exhasut/supply air valve, access panel/door, suspension ring, corner, corner clamp(G-clamps), swirl diffuser, holder, regulator and etc.

At present, our factory has six products ranges, which include:

* Suspension & Fixing Accessories: Ventilation pipe clamps, duct suspension clamps, duct holders, pied support terrasse;

* Air Distribution: Metal disc air valves (exhaust and supply), plastic air valves, aluminum grills;

* Duct Access Doors: Curved access doors and flat access doors, tabbed access doors;

* Iris Dampers: Iris type volume control damper(Chinese only one factory who can produce whole size Iris dampers from 80-800mm)

* Damper Regulators: Damper regulator sets, Nylon quadrant;

* Corner Ranges: TDC TDF corners, flange corners, flange G clamps

Aier enjoys a reputation for excellence thanks to its:

1. Customer satisfaction orientated strategy

2. Professional R&D staff with customized service

3. Continuous investment in production machinery and facilities

4. Own a full set of equipments and complete testing instruments

5. Automated production processes from the very first to very last production run.

6. Supports from the local government for innovative development

With 20 years experience, 250 manufacturing staff, 25, 000 squares factory, Aier is now focusing on manufacturing HVAC accessories and Customized Stamping Components and becoming the best choice for the customers.