AFTER SALES
Service Aim
As the authorized service provider of FESKS brand in China, we are committed to providing efficient, professional and localized after-sales service, ensuring the accurate operation of water quality analysis instruments, and helping customers achieve environmental compliance and efficient management.

A.Core service content
Quick response and technical support
● 7x24 hour hotline: provide 24/7 telephone/online technical consultation (customer service number: 400-862-1109).
● Service email: chinainfo@fesks.com.cn
● Remote diagnosis: troubleshoot faults remotely by phone or video to shorten the problem resolution cycle.
● On-site support: promise to arrive in major cities within 48 hours, remote areas within 72 hours.
Equipment maintenance and calibration
● Calibration services: provide sensor calibration, data verification and report according to national standards or customer requirements.
● Preventive maintenance: replace wear and tear parts (such as sensors), clean sensors and pipelines, and extend the service life of equipment.
Maintenance and spare parts support
● Original spare parts inventory: Shanghai warehouse reserves core components such as instruments, sensors and circuit boards to ensure quick replacement.
● Maintenance service: provide faulty machines for return to the factory for
maintenance or on-site maintenance, and issue a test report after repair.
● Trade-in: A depreciation replacement program is launched for old equipment to reduce customer upgrade costs.
● Operation training: on-site guidance of instrument operation, daily maintenance and basic troubleshooting.
● Technical seminars: annual industry application case sharing sessions to deliver the latest water quality monitoring technology.

B.Value-added services (customized on demand)
● Industry customized solutions: for environmental monitoring, municipal sewage, industrial wastewater and other scenarios, provide instrument selection optimization and system integration suggestions.
● Compliance support: assist customers to pass environmental protection acceptance, provide equipment calibration certificate, CNAS certification report and other documents.
● Recycling of old equipment: recycling and processing services for waste instruments in line with Chinese environmental protection laws and regulations.

C. Service Commitment
● Warranty policy: the whole machine is free of charge for one year (non-human damage, consumables are not covered by warranty), and the core controller is extended to two years.
● Transparent charges: free service during the warranty period; detailed quotation after the warranty period to eliminate hidden costs.
● Satisfaction tracking: return visit within 72 hours after service completion, and annual customer satisfaction survey to continuously optimize the service.
Make FESKS your lifelong partner in water quality monitoring!
FESKS Instruments (Shanghai) Co., LTD
Technology protects the clear water, and service fulfills the promise
FESKS Analysis Instrument After sales Service Content