1. Company Strength & Quality Assurance

Professional Manufacturer: Shandong Huadong Blower Co., Ltd. has focused on blower business since 2007. With a registered capital of 100 million RMB, it boasts a 100,000 square meter factory area and a 60,000 square meter standardized workshop, equipped with over 100 sets of CNC machining centers. The company has over 300 employees, including 60 R&D personnel with doctoral and master's degrees, ensuring strong R&D and production capabilities.

International Certifications: Products have passed ISO9001 international quality management system, ISO24001 environmental management system, and ISO45001 occupational health and safety management system certifications, and have obtained EU CE certification and Russian EAC certification, meeting the access standards of major global markets and providing strong assurance of product quality and safety.

Global Partners: The company has provided products and services for large-scale projects of numerous well-known domestic and international enterprises, including CNPC, Sinopec, Zhongtai Chemical, Huaxin Cement, China Resources Group, Everbright Water, New Hope Liuhe, CP Group, TATA, Toshiba, and Coca-Cola, demonstrating the reliability and market acceptance of its products.

2. Core Product Features & Advantages

Wide Range of Applications: Wide pressure and flow range coverage (Roots blower pressure: 1000-8000 mmAq, flow rate: 0.15-31.84 m³/min; vacuum pump pressure: -1000~-5000 mmAq, flow rate: 0.14~31.84 m³/min), meeting the demanding requirements of various industrial scenarios.

Stable and Efficient Operation: Stable airflow and minimal pressure fluctuations. Utilizing bearing oil lubrication, it offers excellent cooling and a long service life. The products feature low noise and low energy consumption, significantly reducing customers' operating costs.

Oil-free Clean Conveying: The conveyed air is clean and free of oil, making it particularly suitable for industries with extremely high requirements for media purity, such as food, pharmaceuticals, and chemicals.

Simple Structure and Easy Maintenance: The product design emphasizes practicality and reliability, featuring a simple structure that facilitates daily maintenance and upkeep, reducing the complexity and cost of long-term maintenance.

3. Key Advantage for Aquaculture: The manual specifically points out that this product is suitable for high-density shrimp and fish farming. Its bottom static aeration method achieves uniform oxygenation, helping to improve aquaculture yield and quality—a highly compelling selling point for the aquaculture industry.

4. Complete Product Line Support: Dual Function in One: The HDLH series encompasses both Roots Blowers and Roots Vacuum Pumps, offering multiple functions in one unit to meet both positive pressure air supply and negative pressure vacuuming process requirements, broadening application scenarios.

Detailed Performance Parameters: The manual provides detailed flow rate (Qs) and shaft power (La) performance tables for multiple models from HDLH-040 to HDLH-250A/V-250A at different speeds (RPM) and pressures/vacuum levels. This provides a solid data foundation for accurate technology selection and solution matching for you and your customers, demonstrating the company's professionalism and transparency.

5. Professional Pre-sale & After-sale Support
Customized Solutions: Our R&D team can provide customized product solutions based on specific customer needs.

Comprehensive After-sales Service: We provide remote maintenance guidance and on-site repair services to ensure continuous and stable equipment operation.

Warranty Commitment: We offer a warranty period of 12 months or more, giving customers long-term quality assurance.