Direct industrial procurement items configured for international compliance, reliability, and thermodynamic efficiency.
A professional-grade examination of thermodynamic dynamics, mechanical reliability, and aerodynamic optimization in auxiliary heat dissipation environments.
In modern industrial and domestic refrigeration loops, the integration of a high-efficiency Auxiliary (Aux) Fan Motor has evolved from a basic mechanical support function to a critical contributor to system COP (Coefficient of Performance). The thermal management requirements of next-generation refrigerants, particularly low-GWP (Global Warming Potential) alternatives like R32, R290, and CO2, place extraordinary demands on heat exchanger subsystems. An Aux Fan Motor is responsible for maintaining consistent velocity profiles across the condenser coils, preventing localized liquid stagnation, and minimizing pressure surges in high-ambient environments.
From an engineering perspective, auxiliary fan motor systems have transitioned from shaded pole motor designs to advanced permanent magnet synchronous motors (PMSM) and brushless DC (BLDC) motor topologies. This architectural pivot is driven by international energy standards such as the European Union’s ErP Directive and North America’s SEER2 standards. High-efficiency Aux Fan Motors drastically reduce parasitic power draws within the HVAC cycle, while advanced commutation electronics allow for real-time adjustments based on sensor feedback loops—maximizing structural reliability and operational lifespan.
Stabilizing the condensation boundary layer to increase system-wide heat transfer rates by up to 18% under variable loads.
Utilizing sinusoidal wave control strategies to eliminate electrical noise and structural vibration in commercial HVAC environments.
Constructed using recyclable raw materials and complying with RoHS, REACH, and WEEE directives for sustainable operations.
Founded in 1988, the predecessor of Ningbo Taojun Refrigeration Equipment Co., Ltd. was the renowned Xiangshan Refrigeration Accessories Factory of Zhejiang University. Over more than three decades of hyper-focused R&D, manufacturing scale-up, and global market penetration, the company has transformed into a national high-tech enterprise (accredited in 2021) and a trusted global supplier for critical HVAC/R components.
Our core manufacturing capabilities cover the entire lifecycle of industrial-grade refrigeration components, including high-purity copper and aluminium filter driers, stop valves, check valves, access valves, finned tube and wire tube condensers, and comprehensive AC auxiliary installation materials. Under our proprietary, highly recognized domestic brand "Lingshan" and our global brand "Taojun", we provide key components that drive the thermal systems of world-leading home appliance brands like Haier, Xinfei, Midea, Gree, Whirlpool, Electrolux, and Huarui.
GB/T19001-2016 / ISO9001:2015 Quality Management System Certification
Verifiable via China CNCA and Zhongci International Standards
Our technical excellence is rooted in academic collaboration, advanced manufacturing equipment, and strict testing protocols.
Core automated processing, CNC high-precision tube bending, and automated assembly systems are directly imported from premium German machine tool suppliers.
Our dedicated research team includes 15 expert engineers, many of whom are PhDs and professors from the University of Science and Technology of China (USTC) and Zhejiang University.
Operating an integrated IATF 16949-compliant quality assurance system, maintaining a factory defect rate under 0.05% across bulk shipments.
Why Taojun’s components outperform standard generic parts in extreme HVAC stress tests.
As a global pioneer in filter drier fabrication, Taojun utilizes only high-purity, rust-resistant, and high-pressure-resistant copper pipelines. Our inner desiccant cores feature proprietary 3A molecular sieve formulations integrated with custom activated carbon layers. This configuration achieves an industry-leading water absorption rate of ≥20% while effectively capturing dissolved organic acids, preventing compressor motor winding deterioration and expansion valve plugging.




Optimized for procurement directors and HVAC project managers seeking security, flexibility, and speed.
Standard starting order volume begins at 500 units for specialized custom dimensions, accommodating small-batch production trials.
Leveraging the deep logistics hub of Ningbo port, we support 72-hour global dispatch for stock items and urgent production line top-ups.
Complete 3D CAD modeling, material selection assistance, and quick prototyping for customized copper drier volumes and auxiliary fan motor parameters.
Backed by lifetime technical support and a 24-hour rapid complaint response framework to keep assembly lines running smoothly.
Over three decades of dedication to the design, production, and quality assurance of refrigeration components.
Established as the Xiangshan Refrigeration Accessories Factory of Zhejiang University, blending academic research with manufacturing.
Construction of our modern manufacturing factory building to meet high-volume domestic appliance supplier requirements.

Integration of the MES intelligent workshop management system, implementing strict real-time batch tracking and CCD visual inspections.

Pivoting to high-efficiency microchannel condensers, smart filtration modules, and next-generation auxiliary thermal subsystems.

Our precision refrigeration accessories are integrated globally across residential, commercial, and industrial platforms.






Our sales and service networks cover all tier-one and tier-two industrial hubs across China. Internationally, our products are shipped to over 50 countries and regions spanning Europe, North America, South America, Southeast Asia, the Middle East, and Africa. We work closely with municipal refrigeration contractors, OEM assembly plants, and spare parts distributors to deliver localized design adjustments and import-export compliance documents.
A visual tour through our ISO-certified processing facilities, stamping floors, and calibration labs.








Anticipating regulatory updates, energy conversion metrics, and smart sensor integration.
As international decarbonization policies tighten, HVAC systems are shifting toward smart component integration. Taojun's R&D centers are currently testing next-generation intelligent drying filtration systems that incorporate digital pressure and moisture-sensing micro-chips. This technology communicates desiccant saturation levels directly to central building automation units, preventing unexpected system failures and optimizes preventative maintenance cycles.
Similarly, the development of specialized motors focuses on integrating motor controls directly into the system's main circuit board (PCB) to streamline communication and lower production costs. Additionally, the transition toward microchannel heat exchangers demands finer particle separation and advanced protection against internal moisture. By manufacturing custom capillary-level copper filter driers alongside robust access valves rated to 500 PSI, Taojun provides complete hardware packages designed to handle high-pressure CO2 (R744) and highly flammable hydrocarbon refrigeration networks safely.
Expert engineering answers addressing pressure ratings, filtration metrics, and custom procurement requirements.
Heavy-duty hardware, filtration driers, and charging components engineered for modern commercial systems.