Precision-engineered direct-current mobile refrigeration systems certified for European logistics, off-road expeditions, and automotive fleet deployment across Serbia.
Belgrade, strategically positioned at the confluence of the Sava and Danube rivers, serves as the prime operational epicenter for freight transit, regional logistics, and outdoor commercial activities across the Pannonian Basin and Western Balkans. As Serbia accelerates its infrastructure growth along Pan-European Corridor X and the E70/E75 motorways, the commercial requirement for high-reliability thermal management systems has surged exponentially.
Summers in Central Serbia frequently witness ambient temperatures soaring beyond 38°C (100.4°F). Under these harsh environment parameters, conventional thermoelectric coolers suffer severe thermal failure. The enterprise market in Belgrade requires heavy-duty **DC 12V/24V compressor technology** capable of maintaining sub-zero preservation (-20°C) regardless of external heat spikes.
Built for industrial durability, automotive integration, and harsh off-road vibrations. Explore the core technology driving our refrigeration platforms.
At the heart of the K Series lies a hermetically sealed DC variable-frequency compressor using environmentally safe R134a/R600a refrigerants. Optimized for ultra-low energy consumption (ECO mode) and rapid fast-chilling (MAX mode), bringing internal chamber temperatures from +25°C to 0°C in under 15 minutes.
Utilizing micro-cellular cyclopentane polyurethane insulation walls up to 45mm thick. The precision high-pressure foaming process eliminates thermal bridging, allowing the unit to maintain cold retention for up to 12 hours even when disconnected from primary power sources in hot Belgrade summers.
Designed for severe off-road logistics and mountain terrain across Western Serbia. The mechanical damping platform and specialized compressor lubrication system allow flawless operation on inclines up to 30 degrees and withstand continuous chassis shock profiles.
| Specification Parameter | Keeken K-18 / K-20 Compact | Keeken K-25 / K-30 Standard | Keeken Dual-Zone Expedition (40L+) |
|---|---|---|---|
| Internal Volume Capacity | 18 Liters / 20 Liters | 25 Liters / 30 Liters | 40 Liters - 55 Liters |
| Input Voltage Compliance | DC 12V/24V, AC 100-240V | DC 12V/24V, AC 100-240V | DC 12V/24V, AC 100-240V |
| Temperature Control Range | -20°C to +20°C (-4°F to +68°F) | -20°C to +20°C (-4°F to +68°F) | Dual Zone (-20°C to +20°C Independent) |
| Power Consumption (Rated) | 45W (ECO Mode: 35W) | 50W (ECO Mode: 38W) | 60W (ECO Mode: 42W) |
| Noise Output Level | ≤ 42 dB(A) | ≤ 43 dB(A) | ≤ 45 dB(A) |
| Refrigerant Type | R134a / R600a (CFC Free) | R134a / R600a (CFC Free) | R134a / R600a (CFC Free) |
Distributing to automotive supply chains, caravan dealers, or commercial fleets in Serbia? Partner directly with Zhejiang Qixuan's manufacturing center.
Send Inquiry NowFrom downtown commercial delivery routes in Novi Beograd to rugged off-road tracks in Zlatibor and Tara National Park, our portable refrigeration systems fulfill critical thermal preservation tasks across multiple market sectors.
Belgrade's industrial parks (e.g., Dobanovci, Šimanovci, Novi Banovci) are major distribution hubs for fresh produce, biological pharmaceuticals, and gourmet food services. Standard delivery vans equipped with Keeken K Series refrigerators guarantee continuous cold-chain compliance (+2°C to +8°C) for sensitive cargo without requiring expensive full-vehicle refrig-body conversions.
Serbia's eco-tourism sector is booming. Adventurers traversing the Sava and Danube river corridors, Mount Kopaonik, or Fruška Gora require robust 12V/24V off-grid cooling solutions. The K Series seamlessly integrates into custom camper vans, motorhomes, and 4x4 expedition rigs, running effortlessly off auxiliary lithium battery setups and portable solar panels.
Truck drivers operating along the E70 (towards Zagreb/Budapest) and E75 (towards Niš/Skopje/Athens) spend days on the highway. Keeken compact compressor fridges fit cleanly inside driver cabins, offering low-power draw, ultra-quiet night operation (≤42 dB), and persistent sub-zero freezing for personal meals and refreshments.
Utility service vehicles, municipal field engineering crews, emergency response teams, and mobile medical laboratories across Belgrade demand reliable thermal sample containment. Our impact-resistant outer hulls and reinforced latches protect sensitive materials during high-vibration transits.
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Forging a Global Cooling Solution Leader Through Scale, Precision Engineering, and Uncompromised Quality Standards.
Established in 2017 with an initial investment of $1.6 million and an 8,544㎡ manufacturing base in Zhejiang, Zhejiang Qixuan set out to redefine high-performance mobile cooling. Built upon rigid ISO9001, ISO14001, and BSCI auditing benchmarks, our reputation grew rapidly across international markets.
To keep pace with escalating global demand, we executed a landmark $57 million expansion in 2023, constructing a state-of-the-art 54,000㎡ mega-facility in Dingyuan County, Anhui Province. Today, with over 60,000 m² of total operational footprint, our R&D and engineering center launches at least 10 brand-new innovative models annually, servicing clients across 100+ countries with an average annual growth rate exceeding 50% over 8 consecutive years.
Our integrated team of over 100 specialized engineers and assembly experts manage the entire end-to-end manufacturing process under one roof, ensuring total quality tracking for every unit shipped to Belgrade.
Certified Zero-Defect Standards
Transforming portable refrigeration through IoT connectivity, smart energy harvesting, and sustainable eco-friendly thermal management.
Developing direct solar PV micro-inverter boards built natively into the K Series chassis, allowing continuous off-grid operation without intermediate power stations during Balkan summer expeditions.
Integration of Bluetooth 5.0 and Cellular NB-IoT telemetry modules, empowering Belgrade fleet logistics managers to monitor live payload temperatures, power draw, and door open logs via central mobile software dashboards.
Transitioning 100% of portable compressor platforms to ultra-low GWP R290 (Propane) and R600a hydrocarbon refrigerants, staying ahead of strict EU F-gas regulations and environmental standards.
We empower local brand owners, auto parts distributors, and equipment importers in Belgrade to launch custom co-branded lines of compressor refrigerators tailored to local market preferences.
Streamlined freight routes connecting our Anhui manufacturing hub directly to Belgrade logistics depots via Maritime (Piraeus / Rijeka Ports) or Rail Freight (China-Europe Railway Express).
Explore our full line-up of portable compressor refrigerators, dual-zone freezers, and heavy-duty overlanding coolers ready for bulk import.
Comprehensive answers regarding logistics, compliance, customization, thermal performance, and factory lead times.
Connect with our technical export engineering team today to receive detailed spec sheets, factory-direct price matrices, and freight solutions tailored for Belgrade and Western Balkan markets.
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Qixuan Electric
