After-Sales Service & Maintenance Guarantee
Cold storage systems are critical assets. Jiangsu Yuexian provides a comprehensive three-tier support network, 2-year warranty, 24/7 rapid technical response, and bi-annual proactive inspections to safeguard your cold chain investments throughout their entire operational lifecycle.
2-Year Warranty
Full System Coverage & Free Replacements
24/7 Response
10-Engineer Dedicated Technical Taskforce
20 Field Teams
Nationwide Coverage & Local Rapid Dispatch
Bi-Annual Check
Proactive Inspections Every 180 Days
Three-Tier Rapid Response & Maintenance System
Our integrated three-tier structure guarantees timely technical troubleshooting and fastest on-site arrival.
Dedicated Service Team
10 Senior Engineers · 24/7 OnlineOur 10-person technical specialist team at Changzhou headquarters is available 24/7, providing real-time remote diagnostics, drawing cross-referencing, and emergency service dispatch.
- 24/7 Standby: Initial diagnostic response within 30 minutes
- Dedicated Coordinator: Direct technical guidance to prevent temperature loss
- Centralized Dispatch: Coordinates closest field team or partner inventory
Nationwide Field Teams
20 Teams Across China · Rapid DispatchWe maintain 20 professional installation and engineering teams stationed in major regions across China. When HQ engineers cannot reach distant sites immediately, regional teams are dispatched on-site promptly.
- Deep Installation Expertise: Masters of cam-lock jointing, airtight sealing & doors
- Regional Proximity: Significantly shortens transit and response time
- Standardized Field Protocols: Equipped with calibrated thermal and alignment tools
Authorized Dealer Network
Zero-Distance Emergency First RespondersAuthorized dealers in core metropolitan hubs act as first-line responders for urgent incidents when Tier 1 and Tier 2 teams need transit time, ensuring high-value perishable goods are protected.
- Same-Day Rapid Arrival: Arrives within hours for initial damage mitigation
- Local Spare Parts Depot: Pre-stocked gaskets, heating wires & fasteners
- HQ Engineering Bridge: Remote synchronization with factory specialists
Our 7 Direct Warranties & Service Commitments
Firm commitments integrated into every contract to safeguard your investments.
2-Year Full Warranty
Jiangsu Yuexian cold room panels, doors, and enclosure systems carry a full 2-year warranty starting from the formal commissioning sign-off date.
Repair, Replace & Return Guarantee
During the 2-year warranty period, if products fail to meet contractual technical specifications due to manufacturing quality, we strictly guarantee repair, replacement, or return.
Free Replacement Parts
Component replacements resulting from product quality defects during warranty are provided completely free. Post-warranty service is billed only at cost.
Free Staff Training
Our engineers provide complimentary technical training for your operational staff covering temperature maintenance, anti-condensation door operation, and gasket care.
24h Urgent / 48h Standard Service
Upon formal notice, technical specialists arrive within 24h for urgent breakdowns and 48h for standard maintenance. Standard faults are resolved the same day.
Free Emergency Spare Parts Kit
Shipments include a complimentary kit of critical spare parts (silicone gaskets, heating wires, safety latches) enabling immediate on-site temporary fixes.
Proactive Bi-Annual Health Inspections (Every 180 Days)
We establish a permanent lifecycle engineering dossier for each project, conducting proactive on-site inspections every 6 months to verify seam airtightness, heater resistance, and door alignment, eliminating safety hazards before they escalate.
5-Step Standardized Service Protocol
From initial ticket registration to post-repair sign-off, every stage is tracked and closed with technical rigor.
Ticket Logging
Direct call or online submission. 24/7 dedicated intake desk.
30-Min Diagnosis
HQ engineers analyze symptoms, select parts, and dispatch nearest team.
Rapid Arrival
24h emergency / 48h standard on-site deployment with original parts.
Field Repair
Rigorous replacement and calibration to restore full refrigeration.
Sign-Off & Follow-up
Client verification sign-off followed by quality check callback within 48h.
Partner with Jiangsu Yuexian for Lifetime Reliability
From custom panel production to turnkey engineering and a comprehensive 2-year warranty, our factory provides enduring security for your business.