Our Story – The Evolution of Excellence
20 Years of Precision. A New Chapter in Value. For over two decades, Greenbau Tehnologie has been the bridge between world-class engineering and the Romanian manufacturing floor. We have built our reputation on the expertise of selling and servicing the industry’s most sophisticated equipment.

“GRB Machine Tools unlocked a level of precision we thought was only possible with luxury brands. They delivered the high-end reliability we needed to grow, at a price point that made immediate sense for our bottom line.”
Ferry Grinberg
CEO, GRB Machine Tools
The GRB Machine Tools Series
Today, we are leveraging that 20+ years of technical “know-how” to solve a new challenge: The need for quality without compromise. We believe that every workshop deserves access to reliable, high-performance machinery at a price point that accelerates ROI.
Quality is Our Response
Curated equipment that meets our rigorous standards, backed by the same elite service team you’ve trusted for twenty years. The GRB Series We refused to compromise. Leveraging our deep technical know-how, we curated the GRB line to bridge the gap between premium engineering and affordability.
Greenbau service Support
Backed by Experts: Every GRB machine is supported by the same elite Greenbau service team you trust with your high-end Japanese equipment.
Automate Your Success
A machine is only as efficient as the process around it. To help you address labor shortages and maximize spindle uptime, we offer seamless integration through Flex Automation—the specialized automation division of Greenbau.
Consulting
Consulting in choosing the optimal solution for the customer’s application. If you want to find new production solutions, optimize or expand your processing activity, Greenbau comes to your aid through technical consulting services.
The Greenbau 360° Advantage
More Than a Machine. A Partnership. Body Copy: When you invest in a GRB machine, you aren’t just buying hardware; you are securing the future of your production. Our comprehensive purchase package includes:
Freedom of Control (Operating Systems)
Your Shop. Your Language. Your Choice. Body Copy: We don’t believe in “one size fits all.” To ensure your team hits the ground running with zero learning curve, the GRB series offers full integration with the world’s leading control systems. Choose the interface your operators already know and trust:
“Finally, a machine builder that understands ‘affordable’ shouldn’t mean ‘lightweight.’ GRB delivers heavy-duty performance that drives real ROI.”
Ferry Grinberg
CEO, GRB Machine Tools
The Latest
MILLING & TURNING
TECHNOLOGY
- Vertical Machining Center
- Portal Machining Center
- Horizontal Machining Center
- Tapping Center
- 5-axis Machining Center
- Multi Turrets Turning Center
- Dual Spindles Turning Center
- Flat Bed Turning Center
- Slant Bed Turning Center
- Multi-tasking Machine
Vertical Machining Center
Speed, Power, and Stability. Description: From the high-speed F-Series designed for aluminum and IT parts to the heavyweight Power V-Series engineered for steel and mold making, GRB VMCs are the workhorses of the modern shop. We use heavier castings and larger ball screws than competitors in the same price class to ensure long-term precision.
- F Series (High Speed / Linear Guide)
- Power V Series (Heavy Duty / Box Way)
- General Purpose VMC (Wide range 320-1675)
- Twin Spindle Series (Power W/WZ)

Portal Machining Center
Massive Capacity. Uncompromising Accuracy. Description: When the workpiece is too heavy or too large for a standard VMC, the GRB Portal Series delivers. Our GV and PM series feature a symmetric bridge design that eliminates “stack-up” errors common in C-frame machines, ensuring consistent precision across the entire table.
- GV Series (High Precision Portal)
- PM Series (Heavy Duty Gantry)
CNC Turning Centers
Precision Turning for Every Application. Description: The GRB Turning Center line is built on a foundation of rigidity. Whether you need the high-speed efficiency of our Flash Series for small parts or the heavy-duty torque of the Star STL Series for industrial shafts, we offer a “True Align” slant bed design that minimizes thermal distortion and maximizes accuracy.
- Star STL Series (Slant Bed with Tailstock)
- Star SL Series (Slant Bed, No Tailstock)
- Flash Series (Compact / Linear Guide)
- Heavy Duty VT Series (Vertical Lathes)
- Multi-Tasking (Twin Spindle / Y-Axis)

Horizontal Machining Center
Massive Capacity. Uncompromising Accuracy. Description: When the workpiece is too heavy or too large for a standard VMC, the GRB Portal Series delivers. Our GV and PM series feature a symmetric bridge design that eliminates “stack-up” errors common in C-frame machines, ensuring consistent precision across the entire table.
- HMX Series
- MC-H Series
“We used to believe that elite rigidity required a premium price tag. The GRB Series proved that we don’t have to compromise on quality to stay within budget. It’s the perfect balance of heavy-duty engineering and smart economics.”
Ferry Grinberg
CEO, GRB Machine Tools


Experience GRB Machine Tools Performance in Person
Greenbau Tehnologie SRL invites you to a dedicated GRB Machine Tools Open Day in Week 28. Visit our showroom to discuss your parts, evaluate machine categories, compare control options (FANUC / SIEMENS / HEIDENHAIN), and define a practical implementation plan.
GRB Machine Tools Open Day
Invitation: GRB Machine Tools Open Day (Week 28)
Dates: 6th-12th of July 2026
Time: 09:00–17:30 (preferably by appointment)
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