Electrostatic Powder Coating Line Solutions for 10+ Industries
Custom-engineered in-house across 20+ years of experience with 200+ dedicated employees and 8000+ tons annual production capacity. We manufacture complete coating systems that transform your products into premium-finished goods.
Why Leading Manufacturers Choose Ketu
Proven expertise, dedicated teams, and uncompromising quality standards across every production stage.
Proven track record in electrostatic powder coating technology and continuous innovation
Specialized teams dedicated to design, manufacturing, installation, and after-sales support
Full production capacity ensures delivery timelines are met without compromise on quality
Premium material sourcing guarantees coating performance, color consistency, and environmental compliance
Product Specifications at a Glance
Compare all our coating line equipment side by side.
KT-WASH100 - Pre-cleaning
KT-PHOS200 - Conversion Coating
KT-DRY150 - Drying
KT-SPRAY300 - Spray Application
KT-BACKPACK600 - Multi-Color Spray
KT-CURE400 - Curing Oven
KT-CYCLONE500 - Powder Recovery
KT-SUPPLY700 - Powder Supply
Browse Our Complete Product Range by Application
Each industry demands unique coating challenges. Select your sector above to discover engineered solutions that maximize your production efficiency and finish quality.
Furniture Electrostatic Powder Coating Line
The furniture electrostatic powder coating line utilizes advanced electrostatic spraying technology to evenly apply powder coating across metal furniture surfaces, delivering superior adhesion, uniform color distribution, and scratch-resistant finishes that withstand daily use and environmental stress.
Applications:
Metal Furniture: Chairs, tables, bed frames, stationery cabinets, bookshelves - traditional indoor furniture requiring durable protective finishes
Outdoor Furniture: Tables and chairs, reclining chairs, garden swings - weather-resistant formulations for extended outdoor exposure
Kitchen Furniture: Kitchen cabinets, countertops, spice racks - heat-resistant coatings compatible with food preparation environments
Bathroom Furniture: Bathroom cabinets, towel racks, hooks - moisture-resistant finishes preventing corrosion and discoloration
Technical Advantage: Electrostatic attraction minimizes powder overspray, reducing material waste by up to 30% compared to conventional spray methods while ensuring complete coverage even on recessed or complex geometries.
Home Appliance Electrostatic Powder Coating Line
Our home appliance coating line employs charged powder particle technology to achieve factory-perfect finishes on refrigerators, washing machines, air conditioners, and other consumer electronics. The electrostatic adhesion process creates smooth, uniform, and exceptionally durable coatings that resist fingerprints, staining, and thermal cycling without compromising performance.
Applications:
Kitchen Appliances: Refrigerators, washing machines, dishwashers, microwave ovens, electric ranges, rice cookers, induction cooktops, range hoods, electric kettles
Personal Appliances: Televisions, desktop computers, vacuum cleaners, coffee machines - demanding finishes for high-visibility consumer products
Specialized Electronics: Computer monitors, printer housings, network equipment - precision coating for commercial and residential applications
Technical Advantage: Electrostatic spraying achieves coating thickness consistency of plus or minus 0.05mm across the entire appliance surface, eliminating drips, sags, and color variations that diminish perceived product quality.
Elevator Electrostatic Powder Coating Line
Elevators demand coating systems that balance aesthetic perfection with rigorous functional requirements. Our elevator coating line delivers corrosion-resistant, fingerprint-resistant finishes on cabin walls, door frames, structural components, and decorative panels using electrostatic powder technology engineered for architectural specifications and safety compliance.
Applications:
Cabin Interior Surfaces: Wall panels, ceilings, flooring bases - high-traffic surfaces requiring scratch and stain resistance
Door Systems: Entrance frames, sliding door components, decorative edges - precision coating for smooth operation and visual consistency
Structural Components: Steel support frames, fastening elements - corrosion protection for 20+ year elevator service life
Decorative Finishes: Handrails, trim elements, signage surfaces - premium aesthetic finishes meeting architectural design standards
Technical Advantage: Our systems deliver finish specifications meeting GB/T 9286 adhesion standards and ASTM B117 salt spray corrosion resistance up to 2000 hours, ensuring elevator coating integrity across diverse climate conditions and building environments.
Building Materials Electrostatic Powder Coating Line
Advanced electrostatic powder coating technology engineered specifically for the building materials industry, delivering weather-resistant, UV-stable, and architecturally compliant finishes on aluminum profiles, steel components, and structural elements designed for long-term outdoor exposure and performance.
Applications:
Aluminum Profiles: Extrusion components for window and door frames, curtain wall systems, structural profiles - requiring superior adhesion and durability
Steel Structures: Building support beams, decorative elements, connection components - corrosion protection for exposed steel applications
Architectural Elements: Aluminum ceilings, curtain rods, slide rails, decorative trim - aesthetic finishes meeting design specifications
Fastening Systems: Anchor points, mounting hardware, structural connections - protective coatings preventing rust and discoloration
Technical Advantage: Polyester and polyurethane powder formulations resist UV degradation, moisture penetration, and thermal cycling for 15+ years without chalking, color fading, or protective film breakdown, delivering superior value over traditional liquid paint systems.
Electronic Products Electrostatic Coating Line
Precision electrostatic coating technology designed for consumer electronics and industrial electronic assemblies, delivering micro-level finish uniformity that protects sensitive components while maintaining aesthetic standards and functional performance across complex geometries and sensitive substrate materials.
Applications:
Consumer Electronics: Smartphone housings, tablet frames, laptop components, gaming device enclosures - precision coating on aluminum and composite materials
Networking Equipment: Router housings, switch panels, server components - EMI-compliant coatings maintaining performance specifications
Industrial Electronics: Control cabinet enclosures, monitoring equipment housings, sensor assemblies - protective coatings extending equipment lifespan
Component Assemblies: Circuit board housings, precision mechanical assemblies, functional brackets - ultra-thin coatings maintaining dimensional tolerances
Technical Advantage: Electrostatic application ensures coating thickness between 35-65 microns with consistency variation under 5 microns across entire assembly surfaces, preventing dimensional drift that could compromise electronic functionality or assembly fit.
Industrial Treatment Electrostatic Coating Lines
Comprehensive surface treatment and coating integration systems designed for heavy machinery, metal parts processing, and industrial components requiring pre-treatment, specialized coatings, and finishing processes optimized for maximum production efficiency and coating performance consistency.
Applications:
Machinery Components: Engine blocks, transmission housings, mechanical assemblies - corrosion and wear protection for industrial equipment
Metal Parts Processing: Raw castings, stamped components, fabricated assemblies - integrated pre-treatment and coating for finished product ready environments
Processing Equipment: Conveyor systems, material handling equipment, industrial frames - durable protective finishes for factory floor durability
Specialized Industrial Items: Agricultural equipment components, construction machinery parts, mining equipment elements - extreme-duty coatings for demanding operating environments
Technical Advantage: Integrated pre-treatment modules including alkaline cleaning, chromate conversion, and corrosion inhibition ensure optimal powder adhesion and long-term protection against industrial chemicals, thermal cycling, and moisture penetration characterizing heavy machinery operating environments.
Complete Coating System Architecture - Four-Stage Process Flow
Every Ketu coating line integrates standardized modular components ensuring optimal performance, quality consistency, and production efficiency across all application industries.
Pre-Treatment Module (0-5 minutes)
Function: Alkaline cleaning removes oils, manufacturing residues, and contaminants from substrate surfaces
Sub-processes: Spray washing, immersion tanks, phosphate conversion coating application
Output: Chemically clean surfaces with enhanced powder adhesion characteristics
Electrostatic Powder Application (5-8 minutes)
Function: Charged powder particles electrostatically adhere to grounded workpiece surfaces with precision control
Sub-processes: Powder supply system, electrostatic guns with Faraday cage technology, spray booth air management
Output: Uniform powder coating thickness and complete surface coverage
Thermal Curing (8-30 minutes, time varies by powder chemistry)
Function: Heat-activated chemical cross-linking transforms powder particles into durable solid finish
Sub-processes: Electric or gas-fired ovens, temperature profiling, cooling zones, convection circulation systems
Output: Fully cured, chemically bonded protective finish meeting performance specifications
Recovery and Environmental Treatment (Continuous)
Function: Overspray powder recovery and environmental emissions control maintains operational sustainability
Sub-processes: Cyclone collection systems, powder recycling, emission filtration, wastewater treatment where applicable
Output: Recovered powder for reuse, zero VOC emissions, compliant wastewater discharge
Quality Assurance: 100% in-house manufacturing ensures quality control integration at every modular stage, eliminating supply chain risks and enabling rapid customization for industry-specific requirements.
Customized Design Methodology (8-16 Weeks)
We reject one-size-fits-all approaches. Each coating line begins with comprehensive needs assessment capturing your product geometry, production volume targets, quality standards, and budget parameters. Our engineering team then designs the optimal system configuration - specifying spray booth dimensions, gun placement, curing temperatures, recovery systems, and automation integration precisely matched to your operational requirements.
Why This Matters
Generic coating equipment often underperforms because production variables are ignored during design. Our 8-16 week customization cycle ensures your line launches at peak efficiency rather than requiring months of costly trial-and-error optimization.
Process Highlights:
- Initial consultation capturing product samples, technical drawings, volume forecasts
- CAD design of spray booth layout, gun positioning, conveyor routing
- Electrical and mechanical engineering for optimal performance parameters
- Process simulation predicting coating quality, cycle times, and efficiency metrics
- Detailed quotation with equipment specifications, timeline, training commitment
- Factory validation testing before shipment to destination
Full In-House Manufacturing and Quality Control
We design, engineer, fabricate, and assemble every coating line component within our manufacturing facility. This vertical integration eliminates supply chain vulnerabilities, ensures dimensional accuracy across all sub-systems, and enables rapid problem resolution if modifications are required during implementation.
Why This Matters
Most coating line suppliers source components from multiple external vendors - introducing quality inconsistencies, delivery delays, and finger-pointing when problems arise. Our in-house model provides transparent quality oversight and accountability at every production stage.
Quality Infrastructure:
- In-house fabrication shops for spray booth construction, powder recovery systems, curing ovens
- Component testing before assembly ensures parts meet specification before system integration
- Final system commissioning testing validates complete line functionality against design parameters
- Documentation traceability links every component to inspection records and performance certifications
Industry-Specific Solutions Across 10+ Verticals
Twenty years of concentrated experience across furniture, appliances, elevators, building materials, electronics, and industrial sectors means we understand industry-specific coating challenges that generalist suppliers overlook. We engineer solutions accounting for substrate materials, surface geometries, finish aesthetics, environmental compliance, and production economics unique to each vertical market.
Why This Matters
A coating line optimized for aluminum furniture profiles operates very differently than one engineered for cast iron machinery components. Industry-specific engineering delivers superior results faster than generic approaches requiring extensive on-site adjustments.
Vertical Expertise Includes:
- Furniture: Complex geometries requiring complete powder coverage and defect-free finishes
- Home Appliances: Curved surfaces and thermal requirements demanding precision spray and curing
- Elevators: Safety compliance and architectural specifications requiring engineered finish consistency
- Building Materials: Long-term outdoor durability and UV resistance protection
- Electronics: Micro-scale dimensional tolerance requirements protecting sensitive components
- Industrial Machinery: Heavy-duty coating systems for demanding operating environments
Serving Diverse Industries - One Integrated Coating Platform
From storage equipment to advertising signage, our modular coating systems adapt to industry-specific requirements.
Modular Coating Line System
Our coating lines are built from interchangeable modules. Choose and combine based on your process requirements.
Spraying Module
Electrostatic guns, high-voltage power supplies, automatic or manual application systems
Curing Module
Industrial ovens, conveyors, temperature control systems, UV or thermal curing
Collection Module
Dust collectors, air filtration, emission control, waste recovery systems
Supply Module
Powder hoppers, feeders, agitators, material handling and dosing systems
Build Your Complete Coating Line
Our modular system approach means you choose only the stations you need. Start small, scale up as demand grows.
Stage 1: Pre-Treatment
Prepare surfaces for optimal coating adhesion and durability.
Cleaning System
Ultrasonic or spray cleaning removes oil, rust, debris
Treatment Line
Phosphate conversion, rust proofing, primer application
Dry-Off Station
Air knife drying, dust removal, static elimination
Stage 2: Spray Application
Apply powder coating with precision and efficiency.
Main Spray Booth
HVLP or electrostatic, Faraday cage, uniform coating
Color Change Booth
Quick-change filters, multi-color capability, 5-min swap
Stage 3: Curing & Finishing
Achieve full cure and material properties.
Curing Oven
Gas or electric, 10-20 min cure, precise temperature control
Stage 4: Dust Collection & Powder Recovery
Protect environment and recover valuable powder.
Cyclone Dust Collector
Multi-barrel design, 85% powder recovery, modular
Powder Supply System
Pressurized hopper, pump feed, auto reclaim
Complete Product Range
All equipment designed for industrial production environments with proven reliability and ROI.
Why Choose Our Products
15+ years of coating equipment manufacturing expertise and proven customer success.
Complete Line Integration
All components engineered to work seamlessly together. Conveyor automation, process controls, and safety interlocks are pre-integrated. Setup time reduced from weeks to days.
Custom Configuration
Modular design allows selection of equipment based on your specific production requirements. Mix spray systems, curing methods, and collection options to optimize for your parts and volume.
Quality Assurance
Each system undergoes rigorous testing before shipment. ISO 9001 certified manufacturing ensures consistent performance and durability. 2-year warranty on all equipment.
Technical Support
On-site installation and training included. Remote monitoring and diagnostics available. 24/7 technical support for critical issues. Spare parts available globally.
ROI Optimization
High transfer efficiency reduces powder waste by 60-80%. Faster curing cycles increase production
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