Support & Service
Caring Support, Professional Assurance
At SIGMA, we uphold a “customer-first” philosophy. We don’t just deliver high-performance grinders—we stand behind every machine with a complete support system to ensure peace of mind throughout its lifecycle.
Setup & Operation Demo Videos
Every model comes with detailed operation guides and video tutorials, enabling quick and easy setup. Even users without a technical background can get started confidently.
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Standard Warranty + Lifetime Tech Support
All products come with a one-year standard warranty that covers non-human-caused malfunctions. Beyond that, we offer lifetime technical support for all SIGMA equipment—professional assistance remains available, even years down the line.
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Localised Support & Fast Response
Our after-sales teams in China and South Korea offer bilingual communication and localised technical services. We respond quickly and efficiently to minimise any impact on your day-to-day operations.
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We understand that support is not just a safety net—it's a foundation of long-term trust.
SIGMA is your reliable partner in coffee equipment: starting with the grinder, growing with the service.
SIGMA is your reliable partner in coffee equipment: starting with the grinder, growing with the service.