Have you ever wondered how a high-quality air filter is made?
As a direct manufacturer, we take pride in our standardized and efficient production process. Every air filter we produce goes through multiple stages to ensure performance and durability.
The process begins with selecting premium filter paper, which is the core component determining filtration efficiency. The paper is then precisely folded using automated pleating machines to maximize surface area while maintaining optimal airflow.
Next, the filter media is assembled with high-quality frames and sealing materials. Strong bonding ensures that no air bypass occurs, which is essential for maintaining filtration integrity.
Key steps in our production include:
Raw material inspection
Automated pleating and cutting
Precise assembly and sealing
Strict quality testing
Each product is tested to meet performance standards before packaging and shipment.
With advanced equipment and experienced technicians, we ensure that every air filter delivered to our customers meets high expectations in both quality and consistency.
Qinghe County Dongsen Auto Parts Co., Ltd. is located in Qinghe County, Xingtai City, Hebei Province. It was established in 2024. Although the company was established a short time ago, it has more than 10 years of production experience. We are a manufacturer specializing in the production of air filters, air conditioning filters and oil filters. The filters produced by our factory serve the domestic and foreign markets and have won unanimous praise from customers in Southeast Asia, Africa, South America and other regions.
