Premium OEM/ODM standard components designed for next-generation HVAC systems, heat pumps, and appliance frameworks.
The global refrigeration industry is undergoing a systemic paradigm shift driven by dynamic energy-efficiency mandates (such as the EU's Ecodesign Directive and US DOE regulations) and the rapid transition to low-GWP (Global Warming Potential) refrigerants like R290, R600a, and CO2 (R744). At the center of this transformation lies the refrigeration condenser.
As system designers attempt to maximize COP (Coefficient of Performance), selecting high-performance copper wire-on-tube, microchannel, or plate condensers has evolved from simple component procurement to custom thermodynamic architecture. Our factories focus on maximizing the thermal transfer rate per unit surface area while maintaining complete hermetic seals over decade-long operation spans.
A national high-tech enterprise integrating research, manufacturing, and global sales since 1988.
Established originally in 1988 as the Xiangshan Refrigeration Accessories Factory of Zhejiang University, our operations are situated in the manufacturing hub of Ningbo, China. Over three decades of technology incubation and physical scaling led to the consolidation of Ningbo Taojun Refrigeration Equipment Co., Ltd. in 2012.
Today, the company operates as an ISO 9001:2015 certified high-tech facility. We design and mass-produce premium filter driers, check valves, AC outdoor split service valves, wire-tube condensers, and roll-bonded aluminum plate evaporators. Under the registered trademark "Lingshan" and "Taojun", our components are integrated by global appliance flagships, including Haier, Midea, Gree, Whirlpool, Electrolux, Huarui, and Xinfei.
With an engineering team staffed with technical experts, we ensure that every filter drier and copper coil is tested against rigorous mechanical thresholds, establishing reliable performance in demanding operating environments.
The path toward ecological carbon neutrality requires HVAC component designs that mitigate charge limits and optimize thermodynamic efficiency.
Reducing standard tube diameters down to microchannel proportions lowers internal refrigerant charge requirements by up to 40% while maintaining the equivalent heat-rejection rates.
Integrating hybrid desiccants containing activated carbon layers alongside 3A molecular sieves to yield water absorption rates ≥20%. This prevents acid formulation and capillary freeze-up in high-humidity climates.
Phasing out chromate conversion coatings in favor of electro-deposited epoxy formulations. This guarantees over 1,000 hours of salt spray exposure test resistance, extending unit lifespans in marine and coastal installations.
By utilizing high-purity deoxidized copper tubing (minimum 99.9% Cu content) alongside precision aluminum fins (with tolerances controlled strictly within ±0.02mm), we ensure optimal heat transfer coefficients while mitigating galvanic corrosion risks under aggressive duty cycles.
Every production batch is integrated into our proprietary MES (Manufacturing Execution System), enabling end-to-end component traceability. Automated CCD visual inspection and helium mass spectrometer leak testing ensure zero leak failures at working pressures exceeding 500 PSI.
Capitalizing on Ningbo's industrial cluster to offer competitive lead times, raw material sourcing, and specialized manufacturing capabilities.
Core automation setups, from tube straighteners to high-speed fin presses, are sourced directly from premier German equipment manufacturers, ensuring precise dimension control and consistent mechanical execution.
Our engineering facility maintains direct collaborative pipelines with the University of Science and Technology of China (USTC). Out of our R&D group, 15 dedicated engineers hold post-graduate or doctoral degrees in thermal sciences.
With internal prototyping tooling, we accommodate customized designs, customized shapes, and variable tube routing configurations. We sustain an agile service environment with competitive MOQs starting at 500 units.
We source specialized raw materials globally, including Japanese high-uniformity liquid crystal spacers and thermal protective films certified for operational stability up to 90°C.
Components undergo rigorous thermal shock testing (cycling between -35°C and 75°C for 500 hours) and damp heat environmental testing to simulate the most demanding operational environments.
Operating from Xiangshan, Ningbo, our facility is integrated directly within China’s premier logistics and metallurgical supply chains, minimizing raw copper and aluminum transit times.
Refrigeration demands vary significantly by environment. Our products are engineered to perform reliably across diverse settings, from high-humidity coastal zones to dry, high-temperature regions.
Supermarket showcase cases and industrial cold storages require continuous heat-rejection capabilities. By combining copper alloy capillary tubes and dual-welded copper filter driers, our systems prevent refrigeration cycle failures and maintain strict temperature tolerances.
Modern home cooling units require compact, highly efficient heat exchangers. Taojun's wire-on-tube and micro-diameter condenser systems deliver optimal cooling capacity within space-constrained residential outdoor units.
Automotive cooling loops face continuous mechanical vibration and environmental exposure. Our heavy-duty service valves and double-walled copper driers provide robust sealing integrity and reliable vibration damping.
Originated as the Xiangshan Refrigeration Accessories Factory, establishing our research partnership with Zhejiang University.
Adopted advanced manufacturing scheduling systems (MES) to automate logistics and track product quality.
Secured distribution channels in over 50 countries and automated high-capacity copper condenser production lines.
Ningbo Taojun Refrigeration maintains certified compliance processes, ensuring our components satisfy international safety and quality standards.
Our facility operates under the GB/T19001-2016 / ISO9001:2015 quality framework (Registration No.: 41325Q00065R0S). This system governs all design phases, material sourcing steps, and final pressure testing procedures. Additionally, our materials comply fully with the European Union's RoHS environmental directives and are certified under the US UL standard for high-pressure HVAC line ratings.
ISO 9001 Certification Document
Detailed Scope of Certification
Partnering with Taojun provides access to a comprehensive service lifecycle, from initial concept design to long-term post-installation technical support.
Our service model is structured into two main phases to ensure project requirements are met at every step:
Our values shape our operational approach: Honesty in our business practices; Innovation to adapt to evolving technologies; Responsibility toward our customers and community; and Cooperation to achieve shared success.
Expert answers addressing thermodynamic performance, installation parameters, and material specifications.
Browse our supplementary range of premium brazing alloys, filter driers, capillary tubing, and assembly tools.
Taojun