Explore our elite range of highly efficient centrifugal fans, vacuum pumps, industrial blowers, and specialized slurry circulation pump lines engineered for demanding operational parameters.
In today's global manufacturing and municipal operations, commercial circulating pumps form the critical circulatory system of infrastructure. Modern heavy industries require precise volume movement, thermal equilibrium management, and chemical processing reliability. High-efficiency circulation prevents thermal gradient damage, controls localized cooling speeds, and enables the operation of sophisticated mechanical thermal processing lines.
As environmental directives such as net-zero carbon footprints and global energy conservation targets take force, traditional pumps are undergoing massive replacements. Leading global exporters are tasked with developing intelligent fluid transportation solutions that incorporate Variable Frequency Drives (VFDs), permanent magnet synchronous motor technologies, and erosion-resistant metallurgy to lower the Total Cost of Ownership (TCO).
Decades of Proven Excellence in Hydraulic Design, Precision Machining, and Global Distribution
Originally established as Shandong Zhangqiu Blower Works, Shandong Zhangqiu Blower Co., Ltd. (ZCBC) has evolved over more than half a century into a premier fluid machinery developer. Listed on the Shenzhen Stock Exchange (Stock Code: 002598) on July 7th, 2011, the company has consolidated its status as a market-leading authority. By developing main businesses while pioneering new fields, we have constructed a multi-layered industrial platform integrating design, manufacturing, testing, and operation support.
Today, ZCBC operates two Sino-Japanese Joint-ventures and a specialized USA branch, ensuring real-time localized communication and global engineering alignment. As an executive director unit of the China General Machinery Industry Association (CGMIA) and the vice president unit of the Fan Branch of CGMIA, we are honored to serve as a principal national standards drafting entity for Roots blowers and related industrial pressure systems.







The technological core of ZCBC comprises a nationally accredited Provincial-Level Enterprise Technology Center and advanced postgraduate workstations. Utilizing high-fidelity computer systems, our engineering design integrates the Product Lifecycle Management (PLM) system, Computer-Aided Design (CAD), Computer-Aided Process Planning (CAPP), and CNC/CAM workflows.
Our machining capability is backed by nearly 100 sets of imported high-precision equipment. This includes multi-axis CNC machining centers, five-axis machining tooling, dynamic three-coordinate measurement machines, and advanced ultrasonic flaw detection devices imported from Germany and Japan.
This high-tech manufacturing foundation enables us to achieve tight clearances, reduce internal hydraulic friction, and ensure perfect balance. As a result, our pumps operate quietly and reliably in high-pressure installations.
Engineered for extreme performance, our systems operate reliably across diverse settings, from district heating loops to abrasive processing plants.
In centralized district heating and large commercial HVAC plants, our circulating pumps manage the continuous flow of heated and chilled water. They operate stably under variable thermal loads, maintaining constant system pressures and adjusting speeds via dynamic control panels.
Mechanical Vapor Recompression (MVR) systems require precise liquid-gas cycling. Our heavy-duty compressors and circulating pump lines transfer high-temperature, high-concentration saline and chemical solutions, minimizing energy consumption and preventing salt precipitation clogging.
Handling abrasive particulate suspensions requires exceptional wear resistance. Our TZJK-TD ceramic slurry pumps feature advanced silicon carbide linings. These linings resist abrasion from sand, mine tailings, and mineral slurries, delivering double the service life of traditional high-chrome metal impellers.
In municipal sewage treatment plant clarifiers, sludge circulating pumps transfer mixed liquors and activate sludge returns. Their non-clogging open impellers manage suspended solids easily, preventing biological breakdown interruptions and helping plants meet environmental standards.
Thermal power generation relies on high-temperature boiler feed circulation. Our multi-stage centrifugal and pressure pump designs handle elevated temperatures and pressures. They provide stable fluid feed flows, protecting downstream turbines from thermal stress.
From acids to alkaline solvents, industrial chemical plants require zero-leakage fluid transfer. Our specialized double-seal and magnetic-drive configurations isolate corrosive chemicals, protecting plant personnel and nearby water systems.
The design of industrial fluid machines is moving rapidly toward intelligent automation and materials science. ZCBC's development roadmap focuses on integrating IoT sensors directly into our pumps and blowers. By utilizing vibration analyzers, temperature sensors, and electronic flow meters, our next-generation pumps communicate directly with central plant SCADA systems. This enables predictive maintenance and prevents unscheduled downtime.
Furthermore, our researchers are working with universities such as Tsinghua University and Xi'an Jiaotong University to refine air-foil bearing and magnetic levitation technologies. By eliminating oil lubrication from our high-speed turbo blowers and circulating drives, we eliminate contamination risks. This makes them ideal for cleanrooms, pharmaceutical plants, and drinking water facilities.
In terms of metallurgy, we continue to patent wear-resistant ceramic coatings and advanced duplex stainless steels. These materials resist cavitation erosion and chemical attack in harsh environments, reducing lifecycle costs and improving operational sustainability.
Operating across multiple production hubs in China to guarantee component availability, rapid deliveries, and customized engineering services.
ZCBC operates a main high-standard industrial park covering 430,000 square meters. To ensure production continuity, we have established four additional manufacturing bases in Jiangsu Wuxi, Guangdong Dongguan, Hunan Chenzhou, and Gansu Jinchang, supported by 20 holding companies and regional R&D centers in Beijing, Shanghai, Shijiazhuang, and Wuxi. This network ensures we can source raw castings, precision electronics, and high-performance motors, preventing production bottlenecks.
For custom projects, our design teams use 3D CAD modeling to deliver complete structural drawings within 24 hours of receiving customer specifications. This allows quick confirmation of pump dimensions, pipe connection points, and motor specifications before manufacturing begins.
Certified management frameworks and product markings ensure seamless integration into international industrial systems.
Operating globally requires adherence to international environmental, quality, and safety directives. ZCBC is certified to ISO9001 for quality management, ISO14001 for environmental management, ISO50001 for energy management, and ISO10012 for measurement management systems.
Our industrial systems carry certifications including the CE Mark for Europe, China Compulsory Certification (3C), and specialized safety certificates for mining installations. This ensures compliance with local safety regulations when exporting to North America, the EU, or the Asia-Pacific region.









A strong corporate culture is the foundation of management excellence. At ZCBC, we focus on respecting individual potential and fostering ownership responsibilities. By aligning our team around unified targets, we drive continuous innovation in our management and production methods.
Under the direction of our leadership, ZCBC remains committed to the principle: "Do the best." This means deploying elite engineering talent, utilizing advanced production machinery, implementing strict quality control, and providing responsive after-sales support.
We continue to expand our three industrial platforms—intelligent manufacturing, wastewater treatment, and new materials development. This enables us to help customers worldwide improve their energy efficiency, operational safety, and productivity.
Technical insights on selecting, installing, and maintaining industrial circulating systems.
We integrate high-efficiency Variable Frequency Drives (VFDs) and permanent magnet motors with our impeller assemblies. By adjusting pump output to match real-time flow and pressure demands, we prevent bypass losses and can reduce system electricity consumption by up to 50% under partial loads.
High-chromium steel impellers wear rapidly when exposed to hard quartz particles. Our TZJK-TD slurry pumps feature structural silicon carbide ceramic liners. These ceramics offer exceptional hardness and corrosion resistance, extending pump operating times in gold, copper, and iron ore processing lines.
Yes. Our design engineering team can analyze your current dimensions and operating parameters. We generate compatible 3D CAD modeling drawings within 24 hours. This allows us to manufacture custom flanges, baseplates, and shafts for drop-in replacements, minimizing installation time.
Our VR series roots-type steam compressors compress low-pressure secondary waste steam, elevating its temperature and pressure. This allows the latent heat in the steam to be recycled, reducing the need for raw boilers and primary energy inputs in concentration, crystallizing, and wastewater evaporation loops.
All assemblies undergo dynamic balancing and performance testing in our CAT facilities. We perform ultrasonic and magnetic particle non-destructive testing (NDT) to verify casting integrity, ensuring compliance with CE standards, mining safety codes, and international ISO quality standards before shipment.
Thanks to our four manufacturing bases (Wuxi, Dongguan, Chenzhou, Jinchang) and raw material inventories, we maintain safety stocks for standard components. This enables us to ship replacement parts quickly, helping minimize plant downtime for our global customers.
Explore our specialized industrial aeration blowers, high-speed turbo compression technologies, and heavy slurry transportation pumps designed for continuous operation.