Portable Floor Grinder


Portable Floor Grinder

The Dajia DJ-330 Premium Hand Push Concrete Grinder series is a heavy-duty industrial surface preparation machinery asset, precision-engineered for commercial floor leveling, concrete smoothing, coatings removal, and industrial masonry polishing sectors. Driven by an ultra-powerful 4000W copper wire motor system with variable speed control and a high-torque centrifugal working style, this robust grinder delivers consistent abrasive force across a 330mm working width. Compatible with multiple tooling configurations—including diamond, metal, and resin grinding discs—its heavily reinforced structural steel chassis handles extreme jobsite vibrations while maintaining structural flatness alignment over large square-meter fleet configurations.

Operating under a strict factory-direct B2B pre-order framework from world-class industrial machinery manufacturing complexes in Henan, China, our specialized supply chain platform coordinates your entire bulk import pipeline. We manage all critical logistical phases: secure terminal warehousing, cost-effective multi-supplier cargo consolidation, heavy-duty export packaging inside standard reinforced wooden boxes (260.000kg gross weight), and automated compliance tracking chipping. Backed by rigorous factory outgoing video inspections, comprehensive engineering test reports, and an integrated 1-year corporate warranty, we offer complete OEM private label customization for major construction equipment distributors.

Technical Parameter Base Model Specification (DJ-330) Available Product Range / Variations
Product Name & Classification Dajia Hand Push Concrete Grinder & Floor Polisher Heavy-Duty Construction Machinery & Surface Prep Series
Model Number / Code DJ-330 Bespoke multi-head variations and chassis layouts per contract
Power Output / Wattage 4000W High-Capacity Industrial Motor Heavy-Duty High-Load Structural Energy Distribution
Motor System Core Premium Copper Wire Motor Technology Extended Lifespan & High Thermal Resistance Core
Working Width & Disc Diameter 330 mm / 330 mm Matching Profile Optimized Footprint for Edging & Large Open Floor Spaces
Disc / Wheel Technical Type Grinding Disc (Centrifugal Working Style) Multi-Head Rotating Carrier Plate Adaptability
Grinding Discs Compatibility Diamond, Metal Matrix, and Resin Bond Discs Versatile Adaptation for Rough Coarse to Mirror Polish Runs
Speed Adjustment Setup With Variable Speed Control Mechanism Precision RPM Flow for Diverse Material Densities
Core Structural Components Engine, Gearbox, Motor, Heavy Pressure Vessel Industrial Metal Composition / Low-Maintenance Cast Gears
Power Supply & Voltage 220V Standard Power Rating Single-Phase and Three-Phase Platform Customizations Sourced
Unique Selling Point (USP) High Power Engine & Machine Test Report Provided Full Factory Documented Mechanical Performance Validation
Quality Verification Video Outgoing-Inspection & Machinery Test Report Loop Pre-Shipment Digital Video Handover Compliance
Trademark & Branding Dajia / Dajia Machinery Factory Sourced Elite Brand / Customized OEM Logo Accepted
Country of Origin Hub China (Henan Machinery Production Corridor) Direct Production Line Pre-Order Shipment Paths
Corporate Warranty Period 1 Year Structural Warranty Support B2B Spare Parts Supply & Technical Consultation Access
Tool Net Weight Parameter 145 Kg Net Machine Specification Heavy Structural Downforce to Maximize Grinding Efficiency
Package Dimensions & Weight 120.00cm * 70.00cm * 120.00cm / Gross Weight: 260.000kg Standard Industrial Ocean-Freight Freight Volume Matrix
Transport Packaging Mode Heavy-Duty ISPM-15 Certified Wooden Box Packing Reinforced Seaworthy Export Crating to Prevent Transit Damage
Logistics & Fulfilment Services Included Warehousing, Port Consolidation, Custom Packing, Freight Lines
Compliance & Customs Included Customs Brokerage, Complete Paperwork, RFID Tracking Chipping
OEM Customization Level Accept Custom Brand Stencil, Motor Branding & Shell Colors Bespoke Packaging Layouts for Annual Fleet Procurement Contracts


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