Engineered with structural integrity to resist intense thermal stress cycles common to the Moscow climate.
An authoritative analysis of structural demands for thermal management systems operating in high-latitude metropolitan environments.
Moscow experiencing temperatures ranging from below -30°C in winter to above +30°C during peak summer months places extraordinary physical demand on HVAC and refrigeration networks. Unlike tropical or mild temperate zones, equipment here undergoes severe contraction and expansion cycles daily and seasonally. This phenomenon accelerates stress-corrosion cracking at mechanical joints, particularly in copper-to-aluminum transitions.
Furthermore, indoor climate controls in heavy industrial zones, retail supermarkets, and administrative complexes require seamless operation of water-chilled systems and direct expansion (DX) evaporator units. Condenser accessories must be manufactured using high-ductility copper and premium aluminum plate combinations to survive continuous thermal loading without structural failure.
At low condensing pressures, moisture migration within refrigeration pipelines is the primary cause of ice-blockage at expansion orifices. Taojun copper filter driers utilize advanced 3A molecular sieves with activated alumina cores. This configuration optimizes water adsorption capacity (exceeding 20% by dry weight), preventing hydrofluoric and hydrochloric acid formation which damages compressor motor insulation.
Global transition mandates such as F-Gas and EAC regional environmental directives necessitate that modern components tolerate high operating pressures (e.g. CO2 / R744 systems and R290 / propane systems). Our triple-sealed charging valves and filter driers are burst-tested up to 500 PSI, supporting environmentally benign refrigerants without risk of component failure.
Serving Moscow requires strict adherence to customs union regulations. Mechanical assemblies must pass structural impact testing at negative temperatures and must conform to the pressure equipment standards. We ensure direct supply chain compatibility by providing comprehensive testing sheets, material certificates, and safety datasheets.
From a specialized university-backed facility to a global leader in high-tech refrigeration components.
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 the design and development, production and sales, and after-sales service of refrigeration accessories. In 2021, it became a national high-tech enterprise.
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.
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.
Detailed performance parameters demonstrating why Taojun components are preferred by global OEMs.
Taojun specializes in refrigeration parts for 38 years. Our core copper filter driers are designed to absorb moisture and acid, and to filter out system impurities. Typically installed as standard components or replaced during repairs for both domestic and commercial refrigerators, freezers, and cold storage units.
Essential components supporting stable fluid transfer and structural mounting in Russian industrial sites.
Imported machinery and expert engineering from the University of Science and Technology of China.
Our core manufacturing machinery, including high-precision fin-press lines and CNC tube-bending devices, is imported directly from Germany to preserve tolerance accuracy down to 0.02mm.
Our research and development team comprises 15 specialist engineers, featuring doctors and professors originating from the University of Science and Technology of China.
Customized pipe dimensions, configurations, and surface coatings are produced daily. We easily accommodate dynamic sizing requirements for specific cooling channels.
Our premium raw material components, including high-adhesion ITO film (zero shrinkage) and liquid crystal spacers with excellent uniformity, are imported directly from Japan. Our engineering glue is sourced from leading European chemical suppliers, guaranteeing resistance to temperatures exceeding 90°C.
Finished items undergo high/low temperature testing ranging from -35°C to 75°C for 500 consecutive hours. We perform 30-minute thermal shock tests from 10°C to 90°C, damp heat tests for 500 hours, and smart sheets are subject to an intensive 24-hour aging run to prevent dielectric breakdown under 100V high-voltage conditions.
Juntao Refrigeration (NINGBO TAOJUN REFRIGERATION EQUIPMENT CO.,LTD.) is officially certified under ISO 9001:2015 standards.
Our GB/T19001-2016/ISO9001:2015 quality registry (Registration No. 41325Q00065R0S) guarantees that all design and production steps for our filter driers, condensers, and access valves follow strict safety protocols. Validated through the Certification and Accreditation Administration of China (CNCA) and audited via Zhongci International, this quality assurance guarantees complete supply-chain traceability for European, American, and Asian HVAC projects.
Main ISO 9001 Certificate
Detailed Scope of Certification
UL & Environmental Approvals




Proven utility across diverse settings, from heavy chilling stations to cold climate operations.
Providing active technical support, responsive service, and customized industrial designs globally.
We provide full inquiry and consulting support backed by over 15 years of technical pump and cooling component engineering experience. Our engineers work one-on-one with your project team to ensure precise mechanical matching. Our service hotline is monitored 24 hours a day with responses guaranteed in 8 hours or less.
We provide onsite technical training, equipment installation guidance, and troubleshooting assessments. All components are backed by a one-year comprehensive warranty alongside free lifelong technical support. We maintain contact with clients to integrate feedback directly into product upgrades.
Leading the next generation of smart, eco-compliant thermal components.
To support high-latitude regions like Moscow, our research roadmap highlights smart technology integration within fluid networks. We are currently testing filter driers with built-in colorimetric sensor caps, allowing maintenance engineers to detect internal moisture levels visually without opening refrigeration lines.
Additionally, we are developing microchannel evaporator systems that use 30% less refrigerant while maintaining thermal efficiency. By using 100% recyclable paper boxes and zero-emission brazing technologies, we help our partners meet their environmental goals while keeping equipment operating costs low.
Deep insights addressing typical challenges faced by mechanical engineers in low-temperature operations.
High-reliability components optimized for large-scale heat pumps and commercial refrigeration installations.