Crafted Grinding, Empowering Professionals
The Trusted Choice of Baristas Worldwide, High-performance grinders designed for baristas.
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Engineered by Technology, Crafted for Excellence
Precision in Every Gram, Born for Efficient Coffee Workflows
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From the Café Counter to the Global Stage
Empower Every Barista. Unlock Every Drop of Flavour.
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About Sigma
SIGMA is a professional brand dedicated to commercial coffee grinding equipment.
Founded in 2016, SIGMA is a professional brand dedicated to commercial coffee grinding equipment. From the start, our mission has been to empower coffee professionals through technology, offering grinders that combine strong performance, intuitive operation, and modern design.
The brand integrates Italian burr technology, Korean intelligent control systems, and the efficiency of Chinese manufacturing. This unique blend has earned SIGMA a strong professional reputation across Asia and the global coffee industry. SIGMA grinders are widely used in specialty coffee shops, branded chains, barista training institutes, and high-level competitions.
Efficiency
We are driven by the pursuit of high-performance machines that merge intuitive use with efficient grinding.
Empowerment
We believe in craftsmanship, consistency, and the strength of the barista community. Our machines don't just grind coffee—they empower baristas to unlock flavour and elevate their performance.
Excellence
From compact café counters to global competition stages, SIGMA earns the trust of professionals through outstanding performance, dependable quality, and thoughtful design. We grow alongside the global coffee industry.
Milestones & Recognition
Since our founding, SIGMA has continually optimized its product design and manufacturing processes, launching popular models like the Sigma 7OD, 6OD Plus, Mini, and Auto Tamper to meet a variety of needs. At the same time, SIGMA actively engages in the coffee community, participating in major international exhibitions—including Host Milano, WOC Busan, and Seoul Cafe Show—and sponsoring numerous barista competitions and training programs in China and South Korea to support the next generation of coffee professionals.
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Sigma 7OD
The Sigma 7OD is SIGMA’s flagship high-performance grinder, equipped with 75mm original Italian flat burrs offering a grind lifespan of up to 900kg. Designed for high-volume commercial use during peak hours, it features a powerful 550W motor and a hands-free portafilter holder for effortless dosing. The LCD touchscreen panel supports single, double, and manual modes with precise grind time control. Anti-static and anti-clumping features ensure consistent output and superior coffee quality.
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Sigma 6OD
Continuing the legacy of the flagship design, the Sigma 6OD features 64mm Italian burrs and a 350W motor, offering fast and accurate grinding—ideal for medium to large cafés. It includes an LCD display with temperature and humidity indicators, a Korean-engineered control board, and a hands-free holder to support high-efficiency, low-error operations.
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Sigma 6OD Plus
An enhanced version of the 6OD, the 6OD Plus maintains the same motor and burr structure but improves grind outlet shape, LCD interface positioning, and adds rear ventilation for better thermal control. Designed for cafés that demand precise grind control and a sleek interface, this model is ideal for boutique shops and brand-conscious chains.
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Sigma 6MD
The 6MD is a manual on-demand grinder featuring hands-free dosing and anti-static design. Powered by a 350W motor and 64mm flat burrs, it offers baristas greater control and interactivity—ideal for coffee shops and training spaces focused on craft precision.
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Sigma 6AD
With automatic chamber filling and a wide dosing range of 5g–9g, the 6AD is made for fast-paced environments like takeaway counters or restaurant setups. It includes a built-in dosing counter for easy monitoring and management. Its 64mm Italian burrs and 350W motor ensure efficient, stable grinding.
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Sigma 6M
The 6M adopts a classic manual switch design with a dosing chamber and wide output range (5g–9g). It features a durable aluminium alloy body and 64mm burrs, making it a reliable, practical choice for daily use in small to medium shops.
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Sigma Mini
The most compact model in the SIGMA lineup, the Mini is ideal for tight spaces where performance is non-negotiable. A 250W motor powers 64mm Italian burrs, handling a range of brew styles from espresso to pour-over. The 600g bean hopper makes it suitable for home bars, mobile carts, and cozy corners.
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Sigma 6ED
A compact machine with serious power, the 6ED features titanium-coated burrs with an extended grinding life of 800kg, paired with a Korean smart control board. It’s the perfect fit for professionals who demand high consistency in a more space-efficient format.
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EQ Auto Tamper
The Sigma EQ Auto Tamper is engineered to boost speed and tamping consistency. It features an auto pressure control system, offering adjustable tamping forces from 5kg to 39kg, and fits various portafilter sizes. With a compact structure that suits any bar setup, it’s the ideal solution to improve workflow and reduce strain for busy teams.
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Our Team
SIGMA has fully integrated teams in both China and South Korea, covering R&D, sales, customer support, and after-sales service.
R&D Team
A collaborative team of Chinese and Korean engineers, designers, and industry consultants who deeply understand barista workflows and continuously refine product performance and usability.
Sales & Marketing Team
Experts in local and international markets who provide rapid commercial support and tailored solutions for clients around the world.
After-sales Support Team
Bilingual, responsive, and equipped with remote assistance tools and video tutorials—ensuring every customer enjoys a seamless ownership experience.