Portable Hand Polishing Wet Concrete Wall Plaster Smoothing Machine Rendering Machines. One Year Warranty: Comprehensive one-year warranty coverage for mechanical defects. Online Support: Dedicated online technical support available for troubleshooting. High Power Output: Rated input power of 1680W ensures efficient concrete smoothing. Variable Speed Control: No-load speed ranges from 280 to 2800rpm for versatile applications. Dual Voltage System: Compatible with 220V/380V power supply for global use. CE and ISO Certified: Manufactured with CE and ISO 9001 certifications for safety. Complete Accessory Kit: Includes plastic pad, sandpaper, sponge pad, spanners, and brushes. Established Manufacturer: Professional manufacturer established in 2013 with 28000 sqm factory.