Explore our leading industrial blowers, high-durability slurry pumps, and specialized pneumatic conveying equipment designed to minimize energy consumption and maximize run-time.
Formerly known as Shandong Zhangqiu Blower Works, we have compiled over 50 years of dedicated blower design and manufacturing expertise. We are the premier enterprise in China's local blower industry, establishing the highest domestic market occupancy for Roots Blowers. Our footprint includes two Sino-Japanese Joint-Ventures and a specialized United States subsidiary, making us the first enterprise in China's blower industry to build overseas operations.
Our overall development strategy: "Develop main business, pioneer new fields and innovate, cooperate to be a great company". Driven by the philosophy "Do the best", we have integrated world-class mechanical R&D, fabrication, testing, and service pipelines for high-performance Roots Blowers, Centrifugal Ventilators, Multi-stage & Single-stage high-speed Centrifugal Blowers, Industrial Pumps, Pneumatic Conveying Systems, and advanced MVR Evaporation, concentration, and crystallization machinery.
Listed on Shenzhen Stock Exchange (Stock Code: 002598) in July 2011.
Products exported to over 70 countries including US, Germany, Italy, and Japan.
Understanding aerodynamic efficiency, blade geometry, and mechanical performance limits in critical fluid management environments.
Unlike radial or forward-curved options, backward inclined (BI) blades curve away from the direction of rotation. This geometry produces lower velocity leaving the impeller, converting static pressure more efficiently than forward-curved counterparts and lowering structural friction.
A core benefit of the backward inclined configuration is its self-limiting horsepower curve. As airflow rate changes, horsepower peaks and then drops off. This protects the driving motor from catastrophic failure if system pressure drops unexpectedly.
By producing lower exit velocities at equivalent pressure margins, BI fans generate significantly lower high-frequency noise levels. This minimizes the need for bulky silencers and helps comply with strict environmental noise regulations.
In typical process environments, backward inclined impellers run at mechanical efficiency levels of 78% to 85%. When designed with a full airfoil blade profile, this efficiency can peak at over 90%. This translates directly into thousands of dollars saved annually on industrial energy overheads. Additionally, our dual-stage tandem arrangements and specialized grease-lubrication seals prevent operational wear in harsh, moisture-laden environments.
Deploying tailored mechanical engineering solutions across demanding global process sectors.
High-volume oil-free air supply is critical to maintain active biological digestion. Our SSR and ZW Series Roots Blowers, combined with air-foil bearing turbos, provide reliable oxygen delivery with low noise emissions.
Handling highly abrasive slurries requires extreme wear resistance. Our TZJK-TD Ceramic Slurry Pumps feature advanced ceramic liners that outlast conventional metal casings by up to 3 to 5 times.
Mechanical Vapor Recompression (MVR) crystallization systems rely on steam compressor efficiency. The VR Series Steam Roots Compressor acts as a highly efficient booster, minimizing industrial carbon footprints.
In our 430,000 square meter facility, we have implemented world-class automation and software stacks. Utilizing computerized product life cycle management (PLM) and computer-aided manufacturing (CAM), we eliminate design-to-production errors and guarantee consistency.
Our fabrication floor features over 100 sets of advanced processing equipment, including CNC machining centers, five-axis machining centers, three-axis measuring systems, CNC machine tools, and high-resolution ultrasonic flaw detectors imported from Japan and Germany.
This high-precision setup allows us to offer rapid 3D drafting within 24 hours. When customers share initial sketches, our engineers produce verified CAD files, speeding up procurement processes.
A timeline of our technological development, shifting towards smart, zero-carbon, and highly autonomous fluid transport systems.
Refining air foil profiles and backward inclined blade thicknesses through computational fluid dynamics (CFD) to maximize efficiency and reduce stress.
Embedding temperature, vibration, and acoustic sensors directly into blower housings to enable cloud-based predictive maintenance.
Eliminating grease lubrication entirely in high-speed centrifugal systems to achieve 100% oil-free compression with zero friction loss.
Meeting international quality and performance standards to ensure smooth integration into enterprise projects.
Compliance with European CE, ISO9001 quality, ISO14001 environmental, and ISO50001 energy standards.
CAD/3D model generation within 24 hours to accelerate design integration.
Performance reports assessed by independent third parties to verify product specifications.
Dedicated sales and maintenance offices located across the USA, Europe, and Asia-Pacific.
Answers to common questions regarding backward inclined centrifugal systems, Roots blowers, and slurry pump options.
Backward inclined impellers offer peak mechanical efficiencies between 78% and 85%, which is higher than forward-curved blades. They also feature a non-overloading horsepower curve, meaning if system pressure decreases, the motor load peaks and drops off rather than overloading.
Ceramic materials offer superior hardness and wear resistance compared to high-chrome steel alloys. Under abrasive slurry conditions, ceramic components can extend pump wear life by 3 to 5 times, reducing downtime and maintenance costs.
Air foil bearing turbo blowers are highly suited for continuous, high-efficiency applications with variable flow rates (e.g., wastewater aeration). Because their bearings operate contact-free on an air film, they require no oil lubrication and are practically maintenance-free. Roots blowers, on the other hand, are better suited for higher pressures, lower flow ranges, and harsh environment start-stops.
We maintain ISO9001, ISO14001, ISO50001, and CE certifications. Our mining equipment complies with relevant safety standard markings, and our products undergo third-party inspections to meet the regulatory requirements of overseas markets.
Explore our wider range of high-performance Roots vacuum units, air-foil bearing systems, and replacement components.
Zhangqiu
