Its comprehensive product portfolio includes the PSGS saddle-type series, PSGC column-type series, PSGO over-arm series, PSGP double-column planer series, PSRC rotary-table series, and PSRP double-column rotary-table grinding machines. These products are designed to accommodate a wide range of workpiece sizes and machining requirements.
For large-scale precision grinding applications, PROTH offers double-column grinding machines capable of processing substantial metal components, machine bases, molds, and industrial parts. Its standard and customized machines provide solutions for grinding surfaces ranging from small precision workpieces to large industrial components.
The company also develops CNC grinding systems, automatic downfeed mechanisms, and grinding wheel dressing technologies. These functions help manufacturers improve machining consistency, reduce manual adjustments, and enhance grinding efficiency.
Quality assurance and machine reliability are central to PROTH's manufacturing philosophy. The company has obtained ISO quality management certifications and received Taiwan Excellence recognition for selected grinding machine series. Its machines are designed with rigid mechanical structures, user-friendly controls, and maintenance accessibility.

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