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✓ 20+ Years Manufacturing Expertise

Powder Coated Steel Manufacturing Solutions

Complete electrostatic d’équipement de peinture en poudre & solutions. From pretreatment to curing—custom-designed lines for furniture, electrical cabinets, building materials, and more.

Learn How It Works
8000+

Tonnage annuel de production

500+

Happy Customers

100%

Matériaux vierges

What Is Powder Coated Steel?

Industrial-grade surface treatment that delivers superior durability, beauty, and environmental benefits

The Definition

Powder coated steel is metal that has been treated with a dry powder coating through electrostatic spray application, then cured in a high-temperature oven to create a hard, uniform protective layer. Unlike liquid paint, the powder is 100% solid material with zero VOC emissions.

This process creates a coating 60-120 micrometers thick that bonds chemically with the steel surface, providing exceptional durability for 10-15+ years.

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6 Core Advantages

High Corrosion Resistance

1000+ hours salt spray protection. Ideal for outdoor, coastal, and industrial environments.

Superior Aesthetics

100+ standard colors + unlimited custom colors. Matte, semi-gloss, or high-gloss finishes available.

Eco-Friendly

Zero VOC emissions. 95%+ powder recovery & reuse. Complies with strictest environmental standards.

Cost Advantage

30-40% lower cost per unit vs. liquid paint. Higher material utilization, zero waste.

Production Efficiency

60-80% faster throughput. Automated systems reduce labor costs and ensure consistent quality.

Couverture uniforme

Flawless, even coating on complex shapes. No drips, runs, or missed spots. 99.9% defect-free.

Powder Coating vs Traditional Methods

See how powder coating outperforms paint, galvanizing, and other coating techniques

Revêtement en poudre

Résistance à la corrosion

1000+ hrs salt spray

Apparence

100+ colors, flawless

Environnement

Zero VOC, 95% recovery

Efficacité des coûts

30-40% lower per unit

Vitesse

Fast, automated

Best for: High-volume production, outdoor use, design-focused products

Liquid Paint/Spray

Corrosion

300-500 hrs

Apparence

Good, but may drip

Environnement

High VOC, toxic

Coût

Higher per unit

Vitesse

Slower, manual heavy

Best for: Small batches, custom colors, quick touch-ups

Hot Dip Galvanizing

Corrosion

20-50 yrs (extreme)

Apparence

Gray, industrial only

Environnement

Zinc vapors, waste

Coût

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Vitesse

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Anodizing (Aluminum)

Corrosion

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Apparence

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Environnement

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Coût

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Vitesse

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Meubles en métal

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Armoires électriques

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Warehouse racks, industrial shelving, pallet racks

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Matériaux de construction

Railings, fasteners, handrails, architectural metal

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Mechanical Components

Frames, brackets, housings, structural parts

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Outdoor & Advertising

Signage, poles, billboards, light structures

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Appareils ménagers

Refrigerator panels, washer frames, AC housings

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Elevators & Escalators

Guide rails, frames, car panels, structural components

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Produits électroniques

Server enclosures, instrument housings, IT equipment

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We work with manufacturers in countless sectors. Tell us your industry and product type.

Le Powder Coating Process

From raw steel to finished product: Step-by-step breakdown of our coating process

1

Surface Cleaning

Remove oil, rust, and contaminants through alkaline cleaning or spray degreasing.

Température : cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits

cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits 5-10 minutes

2

Pré-traitement

Chemical phosphate coating enhances adhesion and corrosion resistance.

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3

Séchage

Remove excess moisture to ensure perfect powder adhesion and coating quality.

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cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits 3-5 minutes

4

Electrostatic Spray

Powder particles charged and attracted to grounded steel surface via electrostatic field.

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Coverage: 95%+ in one pass

5

Four de cuisson

High-temperature heating causes powder to melt, fuse, and chemically cross-link into hard coat.

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cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits 10-15 minutes

6

Refroidissement

Product cooled to ambient temperature, coating hardens into final durable finish.

Method: Air or water cooling

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7

Inspection

Quality control: thickness measurement, adhesion testing, color/gloss verification.

Normes : ASTM, ISO

Defect Rate: < 0.5%

8

Packaging

Final product carefully packaged to prevent damage during storage and transport.

Protection: Foam, paper, pallets

Labeling: QC certified

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Steps 1-2: Cleaning & Pre-treatment

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Steps 4: Electrostatic Spray

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Step 5: Curing Oven

Quality inspection and packaging of finished powder coated products

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Complete powder coating line system flow diagram showing all equipment modules

Complete powder coating production line integration from raw material to finished product

Pretreatment system for steel surface cleaning and preparation

Système de prétraitement

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Powder coating spray booth with electrostatic spray guns

Cabine de pulvérisation de poudre

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Haute efficacité cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
Electric curing oven for powder coating heat treatment

Four de cuisson

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Contrôle de précision Économies d'énergie
Conveyor transport system moving parts through coating line

Système de convoyeur

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Powder supply center with automatic color change capability

Powder Supply System

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Changement de couleur rapide Auto Clean
Electrical control cabinet for powder coating line automation

Système de contrôle

PLC-based automation with touch-screen interface. Manages all line parameters, monitors system status, and provides real-time diagnostics and logging.

PLC Automation Remote Monitor

Need a customized system for your specific requirements?

Excellence en fabrication

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With 20+ years of experience and a state-of-the-art manufacturing facility, we design, engineer, and build every coating line in-house to ensure superior quality and reliability.

20+

Années d'expérience

200+

Employés qualifiés

8000+

Annual Output (Tons)

500+

Clients satisfaits

Modern manufacturing factory facility with advanced equipment
二级回收柜 (2)
二级回收柜 (1)
Equipment assembly area with technicians assembling spray booths and ovens
Test powder coating line in operation for quality verification

In-House Design & Manufacturing

Complete control over every stage—from concept design through prototype testing to final assembly. This ensures superior quality and allows rapid customization.

Advanced Testing & Commissioning

Every line undergoes rigorous factory testing including powder spray verification, curing performance validation, and system diagnostics before shipment.

Fast Delivery & Logistics

Optimized production scheduling and partnerships with international logistics providers ensure on-time delivery. We handle documentation and clearance support.

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  • 50+ Engineering & Technical Staff

    Design, commissioning, and after-sales support

  • 150+ Production Workers

    Skilled fabricators, welders, and assembly technicians

  • Continuous Training

    Regular upskilling in latest coating technology and practices

Quality Certifications

  • ISO 9001:2015

    Quality management system certified

  • CE Compliance

    All equipment meets European safety standards

  • Environmental Standards

    Meets GB and EPA environmental compliance requirements

Want to see our facility firsthand?

OUR COMPETITIVE EDGE

Why 500+ Factories Trust Us

We're not just suppliers—we're your long-term partner in powder coating excellence, backed by 20+ years of manufacturing expertise and proven customer success.

20+ Years Manufacturing Excellence

Over two decades of expertise in designing, manufacturing, and commissioning powder coating equipment. We've perfected every detail through continuous innovation and customer feedback.

100% In-House Manufacturing

Every coating machine is designed and manufactured in our own facility. This gives us complete control over quality, functionality, and delivery timelines—no third-party compromises.

Intégration complète du système

From pre-treatment to curing, we supply the entire coating line. No need to coordinate with multiple vendors. One integrated solution, one point of responsibility.

Customization at Scale

Every coating line is tailored to your production needs, product specifications, and factory layout. No "one-size-fits-all" approach—your unique requirements drive our design.

Superior Energy Efficiency

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20+

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500+

Happy Customers

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200

Team Members

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8000

Capacité de production annuelle

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Modern manufacturing facility with equipment assembly and testing capabilities

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Chat sur WhatsApp
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1

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2

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4-8 weeks

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3

Inspection de qualité

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Test en usine

4

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1-2 weeks

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5

Installation sur site

1-2 weeks

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6

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3-5 jours

Training Delivery

Professional Packaging and Logistics

  • Professional wooden box packaging, shockproof and waterproof
  • International logistics insurance coverage
  • Real-time logistics tracking
  • Complete customs clearance documents

On-site Installation and Commissioning

  • Dispatch professional installation team
  • 7-10 days to complete installation
  • Electrical and pipeline connections
  • Equipment commissioning and test line

Training and Technical Delivery

  • 3-5 days on-site training
  • Operator certification training
  • Maintenance manual
  • Support Technique 24/7

Installation and Commissioning Site

Equipment assembly at customer factory 固化板块 空中悬挂输送线大件板材车间现场图 固化炉 粉末喷涂线 冷却与检测

Continuous After-sales Support

Standard Warranty 1 Year

Free repair and replacement for equipment manufacturing defects

Fast Spare Parts Supply

Common parts delivered in 1-2 days to ensure production is not interrupted

Support Technique 24/7

Phone, Email, WhatsApp, Remote video diagnosis

Extended Warranty Plan

2-3 year extended warranty available, transparent costs

Annual Maintenance Plan

Regular maintenance, performance testing, wearing parts replacement

Contact Technical Support

Phone (24/7)

+86-180-6466-8879

WhatsApp Instant Support

Same as above

Technical Email

ketucoatingline@gmail.com

Remote Video Diagnosis

Arranged as needed

In-depth Guide

Complete Guide to Procurement and Production of Powder Coated Steel

From awareness to procurement to production operation, help you make rational investment decisions. This guide covers 10 core topics, 8000+ words

Why Purchase Powder Coated Steel or Coating Lines?

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+

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+

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Avantages :

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Inconvénients :

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Suitable for: Small output (monthly < 200 pieces), unstable demand, companies with limited budget

Option B: Purchase Coating Equipment and Produce Yourself

Avantages :

  • ✓ Low long-term cost (10-15 yuan/piece)
  • ✓ Production is independently controllable
  • ✓ Free color choice
  • ✓ Highly stable quality
  • ✓ Increase product profit

Inconvénients :

  • ✗ Large initial investment (200k-3M yuan)
  • ✗ Requires site and infrastructure
  • ✗ Management and maintenance cost
  • ✗ Technical learning curve

Suitable for: Large output (monthly ≥ 500 pieces), have stable orders, companies pursuing long-term competitiveness

How to Choose the Right Coating Line Configuration?

Practical selection guide based on capacity, workpiece, and space

+

Choosing the right coating line configuration is key to investment success. The configuration of coating lines is determined by multiple factors:

Capacity Requirements

Calculate daily capacity requirements based on monthly order volume. For example, monthly orders of 10,000 pieces, calculated at 22 business days, daily capacity requirement ≈ 450 pieces/day. It is recommended to leave 20% spare capacity.

• Daily capacity < 200 pieces → Manual spray booth (Investment 200k-500k yuan)

• Daily capacity 200-500 pieces → Semi-automatic line (Investment 500k-1.2M yuan)

• Daily capacity > 500 pieces → Fully automatic line (Investment 1.2M-3M yuan)

Workpiece Characteristics

Size, shape, weight of workpiece affect equipment selection.

• Small parts (< 100mm) → Requires special fixture design

• Large parts (> 1500mm) → Requires oversized spray booth or segmented processing

• Assembly parts (multiple components) → Requires platform or suspension system

Factory Site

Factory floor area, ceiling height, electrical, air supply capacity directly affects solution feasibility.

• Site 60-80m² → Basic manual line

• Site 100-150m² → Semi-automatic or compact fully automatic line

• Site 150-250m² → Standard fully automatic line

Product Diversity

Frequent color changes → Manual line has stronger advantages (fast color change); Single color high volume → Fully automatic lines are more efficient.

Expert advice: It is recommended to communicate your capacity, workpiece, site information with suppliers first, and have engineers do custom evaluation to avoid investment deviation.

Detailed Explanation of Core Equipment and Systems of Coating Lines

Understand the function and selection points of each system

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Système de prétraitement

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Système de cabine de pulvérisation

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Four de cuisson

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Système de convoyeur

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cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits
cURL Too many subrequests by single Worker invocation. To configure this limit, refer to https://developers.cloudflare.com/workers/wrangler/configuration/#limits 20k-100k yuan
Total Investment 280k-3.6M yuan

Annual Operating Cost (calculated at 500 pieces/day, 250 business days)

Powder Consumption (1.25M pieces × 3-8 yuan/piece) 370k-1M yuan
Energy Cost (electricity + air/gas) 80k-150k yuan
Labor Cost (3-4 employees) 180k-240k yuan
Maintenance and Wearing Parts Replacement 20k-50k yuan
Annual Total Operating Cost 650k-1.44M yuan

Investment Return Analysis

Taking 1M yuan semi-automatic line as example:

Gross Margin Assumption: Typical gross margin of powder coated products 30-50%

Annual Capacity: 1.25M pieces, calculated at 40% margin

Annual Gross Profit: 1.25M pieces × 15 yuan/piece (cost difference) × 40% ≈ 750k yuan

Annual Net Profit: 750k - 650k (operating cost) = 100k yuan

Investment Return Period: 1M ÷ 100k/year = 10 years (longer, but actual capacity is usually higher)

Note: The above example is conservative. In practice, if fully utilizing capacity (achieving 70-80% utilization rate), lower powder cost, higher product selling price, payback period can be shortened to 1-2 years.

Supplier Selection and Procurement Considerations

6 standards to help you select reliable partners

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Choosing the right supplier is more important than choosing the equipment itself. A reliable supplier not only provides equipment, but also provides long-term technical support and cooperation.

1. Manufacturing Strength

Whether they have their own manufacturing workshop, machining equipment, spray test line. Real manufacturers can better understand customer needs and provide custom solutions.
→ Recommendation: Request factory visit, view production capability

2. Technical Level and Experience

20+ years of industry experience, have engineer team, can understand powder coating process, can do custom design based on customer products.
→ Recommendation: Ask about coating process details, examine the professionalism of engineers

3. Product Quality and Reliability

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FAQ

Quickly find answers to powder coating and coating line procurement

Basic Knowledge of Powder Coating

What is the Difference Between Powder Coating and Paint Spraying?

Powder coating is solid powder, paint is liquid. Powder adheres through electrostatic attraction and cures at 180-200℃ high temperature to form coating; paint relies on solvent evaporation. Advantages of powder coating: thicker coating, more uniform, no VOC pollution, stronger corrosion resistance, longer service life (typically 2-3 times that of paint). Disadvantages: larger initial investment, more complex production process.

What Products Can Powder Coating be Used On?

Almost all metal products can: metal furniture, electrical cabinets, mechanical components, storage racks, architectural hardware, outdoor products, home appliance housings, etc. Workpiece size from screws (5mm) to large cabinets (3000mm) can all be handled, just need to design appropriate process and fixtures according to workpiece characteristics.

How Long is the Lifespan of Powder Coating?

Indoor use 10-15+ years without visible fading. Outdoor use 5-10 years (depends on climate). In salt spray environments (such as coastal areas), can achieve 500-2000+ hours salt spray test standard based on coating thickness. Regular cleaning and maintenance can significantly extend service life.

Can the Color and Gloss of Powder Coating be Customized?

Completely possible. 100+ standard colors, unlimited customization. Gloss includes matte (GU ≤ 10), semi-gloss (GU 20-40), high gloss (GU > 80) multiple choices. Can also do metallic colors, pearlescent colors, transparent powder and other special effects. Custom colors typically require 3-4 weeks delivery.

Can Powder Coating be Used Outdoors?

Completely possible, outdoor durability is superior to paint. Strong UV resistance, not easy to fade; excellent rust prevention, especially suitable for salt spray environments. It is recommended that outdoor products choose thicker coating (80-120 μm) to improve durability, regular cleaning (once every six months) can significantly extend service life.

Coating Line Configuration and Selection

What is the Difference Between Manual and Automatic Spray Booths?

Cabine de pulvérisation manuelle : 50-200 pieces/day, investment 200k-300k yuan, high flexibility, fast color change (10-20 minutes).
Automatic Spray Booth: 800-2000+ pieces/day, investment 800k-2M yuan, high efficiency, stable quality, color change requires 1-2 hours.
Selection Criteria: Monthly output < 1000 pieces → Manual; 1000-3000 pieces → Semi-automatic; > 3000 pieces → Fully automatic.

My Factory Space is Only 100m², Can it Fit a Coating Line?

Yes. 100m² can fit basic manual line or compact semi-automatic line. The key is to communicate with suppliers about factory size, ceiling height, electrical capacity, and do custom layout design. If ceiling height ≥ 4m, can also be arranged in multiple layers to improve space utilization. It is recommended to consult an engineer first to conduct feasibility assessment.

Can Coating Lines Use Different Color Powders?

Completely possible. Color change requires powder cleaning process. Semi-automatic line color change time 30-45 minutes, fully automatic line 1-2 hours. Powder cleaning cost approximately 200-500 yuan/time. It is recommended to use the same color in the same shift as much as possible, or use 1-2 alternating similar colors to avoid color contamination. If multi-color production is needed, can configure multiple spray booths or time-slot switching.

What Kind of Power and Air Supply Does a Coating Line Need?

Power Supply: Typically 380V/3-phase/50Hz, power 30-100kW (according to configuration).
Air Supply: 0.7-0.9 MPa compressed air, flow 500-800 L/min, requires dryer and filter.
It is recommended to consult power and air supply capacity in advance, configure UPS backup power to ensure stability.

Procurement and Cost

How Much Investment is Needed to Purchase Powder Coating Lines?

Manual line 200k-500k yuan, Semi-automatic line 500k-1.2M yuan, Fully automatic line 1.2M-3M+ yuan. Price depends on capacity, configuration, automation level and domestic and international installation support. Payment is typically 30% deposit, 40% medium term, 30% final payment. Support installment and financing lease.

What is the Monthly Operating Cost of a Coating Line?

Powder cost 3-8 yuan/m²; Energy cost 0.5-1 yuan/piece; Labor cost 6000-12000 yuan (2-4 people); Maintenance 500-1000 yuan/month. Total monthly cost approximately 50k-100k yuan. Unit cost approximately 10-20 yuan/piece (depends on workpiece size). Investment return period is typically 1-3 years.

Can Coating Lines be Paid in Installments?

Supported. Standard solutions typically support 3-5 installment periods. Can also cooperate with financial companies for 36-60 month lease. Specific terms negotiated based on customer credit and project scale. It is recommended to consult the business department for financing solutions.

Installation, Delivery and After-sales

How Long is the Delivery Time for Coating Lines?

Standard configuration 4-6 weeks, Fast delivery (urgent) 2-3 weeks, Customized solution 6-8 weeks. Delivery time includes design, manufacturing, assembly, testing. Customers can view production progress at any time. It is recommended to negotiate 8-12 weeks in advance to lock in delivery date.

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