NINGBO YIFENG is a medium-sized factory in mould developing and hardware pressing business, located in Ningbo, China. Established in 2014, YIFENG produces and manufactures mainly GI duct accessories and ventilation terminal product. We also export tailor-made stamping die and tooling directly to the end-users in USA. With the produce efficiency and high-quality products to the customer, YIFENG has gained the first step into the international world in HVAC field.