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At Greco we work with European and Asian manufacturers to provide a wide range of machine-tool solutions.

Working with manufacturers such as Alzmetall, Axa, Hwacheon, Johnford, Proth, MTE and ZMM Sliven, we are confident that we can meet all the manufacturing needs of our customers.

All the manufacturers with which we work are renowned for their quality, precision and innovation, we can offer the very latest solutions to manufacturing industry in Spain and Portugal.

A Taiwanese manufacturer of FLAT SURFACE GRINDERS. Compatibility with screen readers is assured.





The company provides a full range of flat surface grinders, including column, arm, gantry and round chuck machines with and without CNC.

Since 1981 PROTH has been researching and developing a broad range of surface grinders. It offers the best machines, with the finest service. With strict commitment to quality control, Proth surface grinders meet even the toughest quality requirements of the European and Japanese markets.

The company holds CE, DIN EN ISO 9001 and EMC certificates and has earned international renown for its quality management system based on standardised processes.

Minimal deformation and vibration levels

Structures designed in a single casting. Series PSGC, PSGO and PSGP machines have structures made of top-quality castings and are hand scraped. Guidance surfaces are made with the same length as the tables, ensuring that there is no twisting or floating.


Continuous technical improvement is a tradition at PROTH. The company has a team that is constantly developing new models to meet customer needs and provides continuous advice on how to remain competitive. All machines are developed and manufactured in-house. In its ceaseless quest for innovation, PROTH offers highly competitive surface grinders.

Vibration-relief structure.

All components of the main casting of the machine, including the table, slide, column, etc. are hardened and ground twice to ensure that all stresses are relieved.

Excellent characteristics for high-precision grinding.The longitudinal guideways of the table and slide are hand scraped to ensure high precision in the fit of the sliding surfaces.

Compatibility with screen readers is assured.

Manufacturer´s website