Making the difference:

Comprehensive Pre- and After-Sales Support 

 

Customer Care – Expert Technical Support for Ozone & UV Water Treatment Systems

Comprehensive Support for Long-Term System Reliability

At Longking EnTech Europe, we believe that advanced technology is only as strong as the service that supports it.

Our Customer Care program provides full technical assistance, maintenance, and training for ozone and UV water treatment systems, ensuring optimal performance, long-term reliability, and maximum efficiency in every installation.

Product Training – Expertise for Optimal Performance

We offer both on-site and in-house sessions at our Longking EnTech Training Center in Spain, covering all aspects of ozone and UV technologies.

Training Highlights:

  • In-depth understanding of ozone and UV processes.

  • Hands-on experience in system operation and maintenance.

  • Customized modules for municipal and industrial applications.

  • Remote and on-site options for flexibility and convenience.

Our goal is to empower operators and engineers with the expertise to ensure safe, efficient, and continuous system operation.

Performance Monitoring – Remote Supervision via SENTINEL

To guarantee reliability and predictive maintenance, Longking EnTech Europe developed SENTINEL, an advanced remote monitoring and control system.

SENTINEL allows:

  • Real-time data monitoring of ozone and UV system performance.

  • Predictive maintenance alerts to prevent downtime.

  • Remote diagnostics for immediate troubleshooting.

  • Secure connectivity compliant with industrial communication protocols.

This smart system helps clients maintain full visibility over operations, extend equipment life, and achieve consistent treatment quality.

After-Sales Services – Long-Term Partnership and Reliability

Our after-sales engineering team provides ongoing support to keep systems running at peak performance.
From preventive maintenance and system optimization to software updates and process audits, we deliver timely, precise, and effective solutions.

Our commitment includes:

  • Rapid technical response.

  • Scheduled preventive maintenance.

  • Software and firmware updates.

  • Process optimization for energy efficiency.


On-Site Services – Expert Support Anywhere You Operate

Longking EnTech Europe offers full on-site technical assistance, ensuring smooth installation, commissioning, and optimization.

Our service engineers are fully trained and equipped to perform:

  • Installation and start-up supervision.

  • Functional testing and system calibration.

  • Troubleshooting and corrective maintenance.

  • Performance validation under real process conditions.

Spare Parts Logistics – Fast and Reliable Supply Chain

We maintain strategic spare part inventories in Spain and China, allowing us to minimize downtime and deliver fast-response maintenance globally.

Our logistics team ensures that each component — from UV lamps to ozone modules — is certified, traceable, and immediately available.

Advantages:

  • Worldwide logistics coverage.

  • Genuine OEM components.

  • Cost-effective, fast delivery.

  • Continuous stock monitoring for key parts.

Testing & Repairs – Certified Quality Restoration

Our specialized repair centers in Spain and China are equipped with advanced diagnostic and testing tools to restore system components to original specifications.

Our services include:

  • Diagnostic testing of PSUs, reactors, and UV modules.

  • Component replacement with certified OEM parts.

  • Full calibration and performance validation.

Every repair is verified according to Longking’s quality control standards, ensuring reliable and safe operation.

Why Choose Longking EnTech Europe for Support?

  • 20+ years of engineering experience in ozone & UV technologies.

  • Bilingual technical assistance (English / Spanish).

  • Integrated remote supervision (SENTINEL).

  • Fast spare part logistics and OEM certification.

  • Long-term maintenance partnerships for municipalities and industries.