Warranty and Aftersale
Feller is committed to providing dependable warranty policies and responsive aftersales support to ensure the long-term performance of our lubrication solutions.
Your Trusted Partner for Quality Assurance & Technical Support
We deliver comprehensive warranty coverage, expert technical support, and complete documentation — empowering your business with confidence at every stage.
36
Month Warranty
24/7
Tech Support
100%
Documented
Quality Assurance
12–36 month shelf life guarantee
Technical Support
Pre-sales & after-sales expertise
Full Documentation
COA, MSDS, TDS & certifications
Product Quality Assurance
Every product is backed by rigorous quality standards, batch-level consistency, and long-term performance guarantees — giving you complete purchasing confidence.
Warranty Period
Typically provides a 12–36 month shelf life guarantee for unopened products, ensuring maximum usability within the coverage window.
Consistency Commitment
Every batch is rigorously tested and guaranteed to conform to the provided Technical Data Sheet (TDS) and sales specifications — no surprises.
Purchase with Confidence
We guarantee stable product performance throughout the entire storage period, so you can stock with certainty and deliver to your customers worry-free.
Professional Pre-Sales & After-Sales Technical Support
From product selection to problem diagnosis, our expert team is with you at every step — helping you avoid costly mistakes and maximize the value of every product.
01
Product Selection Guidance
We recommend the most suitable lubricants based on your specific equipment models, operating conditions, climate factors, and performance requirements — ensuring optimal compatibility from the start.
Pre-Sales
02
Oil Analysis Recommendations
We provide professional oil sampling and testing solutions to continuously monitor oil condition and equipment wear — enabling predictive maintenance and extending equipment life.
Pre & After-Sales
03
Problem Diagnosis
When lubrication-related equipment failures occur, our engineers offer remote or on-site technical analysis and tailored solutions — minimizing downtime and preventing recurrence.
After-Sales
04
Oil Change Guidance
We provide standardized oil change procedures and precautions to prevent losses from improper selection or usage — helping you maximize the full value of every lubricant product.
Pre & After-Sales
Documentation & Certification Support
We provide complete shipment documentation, certification assistance, and import compliance support — so you can focus on your business without paperwork worries.
Certificate of Analysis (COA)
Batch-specific quality verification report
Safety Data Sheet (MSDS)
Comprehensive safety & handling guide
Technical Data Sheet (TDS)
Full product specifications & properties
API Certification
American Petroleum Institute approval
OEM Approval Documents
Mercedes-Benz, Volvo & more
Complete Documentation Provided
Each shipment includes a Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), and Technical Data Sheet (TDS) — all the documentation you need in one package.
Euro VI
MSDS
TDS
Certification Assistance
We actively support clients in obtaining or validating required certifications such as API approvals and OEM specifications (e.g., Mercedes-Benz, Volvo, and more).
API
Mercedes-Benz
Volvo
OEM
Import & Customs Support
We provide all necessary documentation to meet import customs clearance, equipment warranty requirements, and internal management compliance — simplifying your import process.
Customs Clearance
Warranty Compliance
Our Support Process
A streamlined four-step process designed to get you from inquiry to resolution with maximum efficiency.
Inquiry & Consultation
Share your equipment details, operating conditions, and requirements with our team.
Analysis & Recommendation
Our engineers analyze your needs and recommend the optimal lubricant solution.
Delivery & Documentation
Receive your products with full documentation: COA, MSDS, TDS, and certifications.
Ongoing Support
Continuous technical support, oil analysis, and troubleshooting throughout your partnership.
