Premium refrigeration components and brazing materials certified for central European manufacturing facilities.
Precision-engineered eutectic Al-Si brazing rods designed for joining thin-walled aluminum tubes in automotive cooling networks and HVAC systems.
Technical Specifications
Designed for R134a/R600a systems, providing robust pressure containment, corrosion protection, and precise liquid flow dynamics.
Technical Specifications
Built to withstand system pressures up to 500 PSI with three-tier elastomer seals, ensuring leakage rates meet environmental directives.
Technical Specifications
Multi-voltage compatible digital control system engineered for integrated environmental management and ventilation modulation.
Technical SpecificationsThe Czech Republic stands as a dominant manufacturing hub in Central Europe, with its automotive industry contributing over 20% to national industrial output. From assembly lines in Mladá Boleslav and Kvasiny to the precision component manufacturers surrounding Brno, the demand for high-reliability joinery has transitioned aggressively toward lightweighting materials. In heat exchanger, radiator, condenser, and evaporator production, aluminum brazing alloys have replaced traditional copper brazing due to superior cost-efficiency and structural consolidation.
With global commitments toward electrification, Czech automotive tier suppliers are re-engineering assembly lines to produce liquid cooling plates, battery trays, and heat pumps for Electric Vehicles (EVs). Traditional welding mechanisms introduce heat-affected zones that weaken the microstructural integrity of aluminum alloys (primarily 3xxx and 6xxx series). Controlled Atmosphere Brazing (CAB) using non-corrosive fluxes and precision-engineered Al-Si filler metals (like Al-Si12/EN ISO 17672 Al 112) is the industry standard for creating leak-free, high-conductivity joints across dense fins and flow channels.
To avoid local melting of the parent aluminum parts (solidus around 640°C), thermal designers must source filler alloys with a precise melting range (liquids around 577°C–585°C). Joint clearances must be tightly maintained between 0.1 mm and 0.15 mm to optimize capillary flow and minimize joint voiding. Selecting brazing alloys with optimized silicon segregation profiles is vital to prevent embrittlement under continuous vibrational stress typical in modern HVAC and automotive drivetrains.
Integrating a direct Chinese manufacturing partner offers European purchasing departments substantial supply chain optimization. By utilizing advanced metallurgy centers in Ningbo and automated extrusion setups, buyers bypass regional capacity limits. Chinese suppliers provide direct material traceability, certifications compatible with EU REACH / RoHS environmental standards, and dedicated custom-cut alloy profiles to reduce scrap rates on European production lines.
Ningbo Taojun Refrigeration Equipment Co., Ltd. — Serving the Global Industry Since 1988
Ningbo Taojun Refrigeration Equipment Co., Ltd. is located in Xiangshan, Ningbo, a beautiful tourist city. Founded in 1988, its predecessor was Xiangshan Refrigeration Accessories Factory of Zhejiang University. The company's leading products include: filter driers, check valves, air conditioning valves, condensers, brass and copper accessories, air conditioning cable ties, and other refrigeration accessories series products. After 30 years of hard work and rapid development, it has now become a comprehensive enterprise integrating design and development, production and sales, and after-sales service of refrigeration accessories. In 2021, it became a national high-tech enterprise.
Our company is committed to technological and process innovation, equipment improvement, and the introduction of advanced management concepts to produce first-class products. Customer satisfaction is our unwavering pursuit. With reasonable design, reliable quality, and perfect after-sales service, the "Lingshan" filter has become a well-known brand in the domestic refrigeration industry. The company has successively passed ISO9001:2008 quality management system certification, EU ROHS environmental protection directive certification, and US UL certification. The company always takes customer needs as the basis and continuously innovates management concepts to ensure efficient and stable development.
In 2012, Ningbo Taojun Refrigeration Equipment Co., Ltd. was established, creating the brand "Taojun" condensers, "Taojun" stop valves, and other series of products. Over the years, it has established partnerships with well-known domestic and foreign home appliance enterprises such as Haier, Xinfei, Midea, Gree, Whirlpool, Electrolux, and Huarui. The product sales network covers major and medium-sized cities in China and is exported to Europe, America, South America, Southeast Asia, the Middle East, Africa, and other overseas markets. The company's goal is to support and cooperate with every sincere customer to achieve a win-win situation.
Specialized copper and aluminum cooling components designed to absorb system impurities and stabilize fluid dynamics.
Taojun specializes in refrigeration parts manufacturing. Our copper filter driers are designed to absorb moisture, eliminate harmful acids, and filter solid particles from refrigerants. They are installed as vital protective components for domestic, automotive, and commercial cooling circuits across global distribution networks.
Our core production lines and precise tube extrusion machineries are directly imported from Germany, ensuring absolute dimensional repeatability.
Collaborative research program backed by 15 advanced researchers and professors from the University of Science and Technology of China (USTC).
High-purity input metals sourced from strategic partners; ITO films (no shrinkage) and specialized adhesives imported directly from Japan and Europe.
Engineered design matrices of our filtration and alloy connection portfolio.
TAOJUN copper filter driers utilize a premium 3A molecular sieve core (water absorption capacity ≥20%) paired with an activated carbon layer to prevent acid etching of the compressor stator insulation.
Constructed with high-purity copper shells (rust-resistant and rated for high operating pressures) sealed via automated argon arc welding to ensure zero joint micro-leakage.
Products undergo high/low temperature testing (+75°C to -35°C for 500 hours), thermal shock trials, and 100V high-voltage insulation tests for smart film structures to guarantee zero mechanical failure.
Key milestones demonstrating our stable growth and long-term manufacturing reliability.
Founded as Xiangshan Refrigeration Accessories Factory of Zhejiang University, initiating R&D in critical refrigeration components.
Implementation of MES intelligent workshop management system, transitioning to fully digital inventory and fabrication tracking.
Establishment of Ningbo Taojun Refrigeration Equipment Co., Ltd., launching condenser and customized stop-valve lines for export markets.
Direct inspection of our metallurgy facilities, assembly lines, and application scenarios.
Dedicated team dynamics built on Integrity, Innovation, Responsibility, and Cooperation.
We provide structural, metallurgical, and component-specific support before, during, and after procurement:
Taojun engineering department collaborates on active quality improvements.
Juntao Refrigeration: Your Trusted ISO 9001-Certified OEM/ODM Partner
Main ISO 9001:2015 Certificate
Scope of Certification
Our official GB/T19001-2016/ISO9001:2015 certification (Registration No.: 41325Q00065R0S) confirms that all quality management procedures satisfy national and international industrial baselines. This covers the production and supply chain workflow of our core catalog including filter driers, condensers, and access valves.
Our certifications are verifiable via China’s CNCA portal (www.cnca.gov.cn) and Zhongci International (www.zcgirz.com). Our factories also secure ongoing compliance updates for RoHS, REACH, and US UL listings to serve international OEM partners without operational frictions.
Addressing core technical questions from heat exchanger engineers and procurement managers.
Original high-quality components and connection materials available for immediate factory order dispatch.
Eutectic filler metals for thin-walled tube joining, ensuring high-strength mechanical seals without parent metal distortion.
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Designed for high-reliability HVAC installations, providing stable pressure outputs and low energy consumption profiles.
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Double-walled steel/copper tubes engineered for refrigeration circuits, offering clean inner walls and uniform ductility.
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High-precision capillary paths for exact refrigerant metering and pressure drop configuration in expansion circuits.
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Formulated with silicon and zinc to lower melting thresholds and improve fluid wettability during torch and furnace brazing.
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Engineered for bidirectional refrigerant lines, featuring robust molecular sieves to capture moisture and solid debris.
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Precision-machined connectors and structural bends designed for leak-free, high-pressure brazed joins in air conditioning units.
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Seamless U-bend connectors optimized for high heat transfer rates and standard tube sheets in automotive condensers.
View DetailsPartner with an ISO 9001:2015 certified manufacturer. Taojun Refrigeration delivers structural reliability, traceable chemical compositions, and secure global delivery.
Taojun
