In modern manufacturing and industrial processing, fluid dynamics dictates operational cost profiles. Centrifugal flow fans and blowers act as the lungs of heavy industry. Unlike axial fans, which move air parallel to the shaft, centrifugal fans redirect intake air at a 90-degree angle, accelerating it radially outward through centrifugal force. This structural transformation generates significantly higher static pressure, making centrifugal flow fans indispensable for pushing air or gases through dense ductwork, scrubbers, filtration units, and industrial processes.
Moving granules, mineral ores, and bulk dust requires high static pressures. Centrifugal blowers accelerate the carrying phase (air) to ensure solids remain suspended without drop-out or line blockages, especially in closed-loop systems.
Aeration basins demand massive gas flow volumes at steady pressures. Roots blowers and multi-stage centrifugal systems inject air to support biological digestion or mineral separation in froth flotation loops.
Chemical processing releases highly acidic or caustic fumes. Our customized fans feature chemical-resistant coatings (e.g., PVDF, FRP, or high-grade stainless steel) to prevent impeller erosion and ensure safe exhaust venting.
The global industrial air moving market faces a fundamental challenge: balancing initial procurement costs against lifecycle energy consumption. Electric motors running blowers and fans account for roughly 70% of total electrical consumption in standard wastewater treatment and heavy industrial facilities. Consequently, buying "cheap" equipment without verified energy efficiency profiles can lead to high operating costs over time.
At Shandong Zhangqiu Blower Co., Ltd., we combine Chinese manufacturing efficiencies with high engineering and design standards. As a publicly traded manufacturer on the Shenzhen Stock Exchange (Stock Code: 002598) with over 50 years of design experience, we optimize our production supply chains. This allows us to supply globally competitive, cost-efficient centrifugal fans, Roots blowers, and pumps without compromising material thickness, balancing precision, or aerodynamic performance.
Shandong Zhangqiu Blower Co., Ltd. (formerly known as Shandong Zhangqiu Blower Works) is a leading player in the air-moving industry. We set up two Sino-Japanese Joint-ventures and one USA branch, making us the first company in the Chinese blower industry to establish an overseas branch. We are the leading enterprise in the Zhangqiu local industry, and our main product, the Roots Blower, leads the domestic market in occupancy.
Our overall development strategy is: "Develop main business, pioneer new fields and innovate, cooperate to be a great company", paired with our working concept: "Do the best". Today, we are a modern company integrating design, manufacturing, and sales of Roots Blowers, Centrifugal Blowers, Fans, Industrial Pumps, Pneumatic Conveying Systems, Electrical Equipment, MVR Evaporation, Concentration and Crystallization systems, Waste Water Treatment products, and services.







ZhangGu is a large-scale manufacturer of Roots blowers. We serve as the Executive Director of the China General Machinery Industry Association, Vice President unit of the Fan Branch of the China General Machinery Industry Association, Executive Director unit of the China International Turbomachinery Industry Alliance Council, and are a main drafting unit of the national standards for Roots blowers.
With over 30 years of specialized export experience, we provide energy-efficient, durable solutions for wastewater treatment, mining, chemicals, and power industries. ZCBC also offers turnkey engineering services including MVR systems, water treatment, and O&M services. Certified by ISO and CE, we combine technological innovation with quality manufacturing to deliver reliable industrial air solutions worldwide.
Through incentives for scientific and technological talent, we have built a research team of experts receiving State Council special allowances, engineering researchers, Jinan City "5150" program doctors, and senior industry experts. The company also operates a "postgraduate workstation" and has hired more than 10 domestic and foreign experts.
We maintain close research relationships with Tsinghua University, Xi'an Jiaotong University, China University of Mining and Technology, and Shandong University, providing a solid technical foundation for our product development.
In recent years, the company has developed and implemented proprietary technologies, including countercurrent cooling, fan noise reduction, wear-resistant impeller treatments, two-stage tandem systems, fan intelligence, special sealing systems, grease lubrication, and twisted-leaf impeller designs.
The company holds 69 patents, including 5 invention patents, and has been granted 2 software copyrights. We are certified to ISO9001 (Quality), ISO14001 (Environmental), ISO50001 (Energy Management), and ISO10012 (Measurement Management) standards. Our mining products carry the corresponding Safety Mark, and our main lines hold CE, energy-saving, and 3C certifications.









The company utilizes design, R&D, and testing equipment. Our facilities are equipped with CNC machining centers, five-axis machining centers, three-axis coordinate measuring instruments, and CNC machine tools, alongside ultrasonic flaw detectors imported from Japan and Germany to verify casting and machining integrity.
We utilize Product Lifecycle Management (PLM) systems, Computer-Aided Manufacturing (CAM) technology, Computer-Aided Process Planning (CAPP), and Computer-Aided Testing (CAT) to manage product cycles, refine manufacturing tolerances, and shorten design iterations.
Future designs focus on aerodynamically swept blade profiles that minimize boundary layer separation. Using finite element analysis (FEA), we reduce rotor weight without sacrificing structural stiffness, yielding higher rotational speeds and improved pressure ratios.
We are integrating vibration and temperature sensors into fan bearings. These sensors stream live operation parameters to cloud monitoring systems, enabling predictive maintenance models that alert operators before faults occur.
Corporate culture is central to the development of our enterprise and reflects our management standards. Building a strong corporate culture aligns our management systems and supports long-term development. It shapes our working concepts, development strategies, operational style, and overall system structure.
ZhangGu respects individual contribution, encourages professional development, and fosters ownership responsibility. This helps align our teams under unified organizational goals, supporting independent management and self-motivation.
Our leadership team, with Chairman Fang Rungang at the core since taking office in 1997, established the strategy: "Develop main business, pioneer new fields and innovate, cooperate to be a great company". Supported by our work concept of "do it, do the best", we leverage specialized design teams, advanced machinery, and rigorous after-sales support to meet our customers' requirements.
We utilize specialized design teams and advanced processing capabilities to support product quality. Our team regularly reviews third-party inspection reports to maintain design standards and meet manufacturing specifications.
We focus on professional training and technical development to support our personnel. Our engineering teams can prepare 3D CAD models and detailed structural files within 24 hours of receiving design specifications.








To address changes in international trade, ZhangGu established a dedicated foreign trade company and a branch in the United States. Today, our products are exported to over 70 countries and regions, including the United States, Germany, and Italy.
In line with industrial updates and supply-side developments, the company continues to expand its operations. We focus on developing three main platforms: intelligent manufacturing, environmental water treatment, and the application of new materials.