High Precision Structure: Vertical drilling machine with high precision and cast iron table/base for stability. Wide Speed Range: Spindle speed range of 250- 3100 RPM for versatile drilling applications. CE & ISO Certified: Certified with CE, ISO 9001, ISO14001, and OHSAS18001 standards Professional OEM Service: Professional engineers and designers available for custom machine design and manufacturing. 1-Year Warranty: Comprehensive 1-year warranty with video technical and online support.