Guangdong Qingliang Board powder coating production line for aluminum coil & stainless steel coil
🏭 Premium Quality Since 2014-2026

Premium Powder Coated Aluminum & Stainless Steel Coils

Guangdong Qingliang Board Technology Co., Ltd is a leading manufacturer of double‑sided powder coated aluminum coils, stainless steel coils, insulation roof tiles and great‑wall panels, serving clients in over 50 countries worldwide.

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12+
Years Experience
50K
Annual Capacity (Tons)
500+
Global Clients

Guangdong Qingliang Board Technology Co., Ltd.

Guangdong Qingliang Board Technology Co., Ltd. was founded in 2014, focusing on R&D, production and sales of double‑sided powder‑coated aluminum coils, stainless steel coils, thermal insulation roof tiles, stainless steel great‑wall panels and wall decorative materials. We own a 40,000 ㎡ modern manufacturing base in Foshan, Guangdong, China.

Qingliang always follows the trend of green sustainable manufacturing. Environmental‑friendly production runs through our whole workflow. Our powder‑coated building materials comply with domestic and international environmental standards, delivering reliable, healthy and eco‑friendly material solutions for global construction and industrial customers.

2014
ESTABLISHED
40,000 sqm
FACTORY AREA
200+
EMPLOYEES
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Product Series

Double‑sided powder coated aluminum coils, stainless steel coils, thermal insulation roof tile & great‑wall panels for building decoration

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📊 Powder vs Liquid Coating

Powder Coating VS Liquid Paint Coating

Properties
💎 Powder Coating
🎨 Liquid Coating
🛡️ Durability
Powder Coating 95%
Liquid Coating 60%
🎭 Color Retention
Powder Coating 90%
Liquid Coating 50%
🌱 Eco‑friendly (Zero VOC)
Powder Coating 95%
Liquid Coating 30%
💰 Cost Efficiency
Powder Coating 80%
Liquid Coating 70%
✓ Surface Coverage
Powder Coating 95%
Liquid Coating 70%
Key Takeaway: Powder coating outperforms liquid paint on durability, anti‑fading performance and environmental protection, with competitive overall cost for building metal materials.
🎯 Applications

Application Fields

Polyester powder‑coated coils widely used in architectural facade, roof system, wall cladding, building decoration and industrial metal protection

🏗️
100M+
Architectural Decoration
Sqm Installed Worldwide
🏠
GB/T 5237
Building Materials
National Standard Compliant
⚙️
500+
Industrial Protection
Overseas Partners
🌱
0
Green Manufacturing
VOC Emissions
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🏆 Certifications

Quality & Standards

Our powder‑coated metal coils and building panels comply with international quality and environmental standards

🛡️
ISO 9001
Quality Management System
🌿
ISO 14001
Environmental Management
⚡
CE Certified
European Safety Standards
🏆
RoHS Compliant
Restriction of Hazardous Substances
✓
SGS Verified
Third‑Party Performance Testing
🌱
Green Production
Zero‑VOC Powder Coating Line
📰 Blog

Industry News & Insights

Latest updates on powder‑coated metal coil, building panel technology and market trends

Differences Between 3003, 3004 and 3105 Aluminum Alloys

Differences Between 3003, 3004 and 3105 Aluminum Alloys

All three aluminum alloys belong to the ‌non-heat treatable 3xxx (Al-Mn) series‌, and differ mainly in chemical composition, mechanical properties and application scenarios。

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How to choose metal coils for metal exterior wall panels?

How to choose metal coils for metal exterior wall panels?

Powder coated aluminum coils are recommended for exterior walls, with priority given to 3 series (such as 3003, 3004).

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Panoramic Analysis of Application Scenarios for Polyester Powder Spray Coating Rolls

Panoramic Analysis of Application Scenarios for Polyester Powder Spray Coating Rolls

Architectural decoration is the largest application field of polyester powder coating rolls, covering three major areas: exterior walls, roofs, and interior decoration.

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⚙️ Production Process

Production Process

Full automatic powder coating production line for aluminum & stainless steel coils, stable and repeatable quality

01
🔧

Pretreatment Process

Multi‑stage chemical cleaning and conversion coating to improve powder adhesion and anti‑corrosion performance for metal coils.

02
🎯

Powder Coating Application

High‑speed electrostatic spraying for double‑side uniform polyester powder coating on aluminum and stainless steel base material.

03
🔥

High‑Temperature Curing

Precise temperature‑controlled oven curing to form hard, weather‑resistant powder coating layer on metal substrate.

04
✅

Strict Quality Control

Raw material incoming inspection, online thickness test, film performance test and final full‑check before delivery.

💬 What Our Clients Say

What Our Clients Say

★★★★★

"Qingliang has been our trusted supplier for over 8 years. Their consistent powder‑coated coil quality and reliable delivery help us optimize project cost and finished‑product performance."

M
Michael Chen
Procurement Director, Pacific Industrial Corp
★★★★★

"Qingliang wood‑grain powder coated coils enable us to achieve natural wood visual effect while meeting exterior facade anti‑aging requirements. Great finished performance!"

S
Sarah Johnson
Chief Architect, Modern Design Studio
★★★★★

"Qingliang technical team supports custom color matching for special projects. Our custom stainless steel coil order meets strict specification, quality exceeds expectation."

H
Hans Mueller
Technical Director, EuroAppliance GmbH
12+
Years of Excellence
50+
Export Countries
500+
Global Partners
50K
Tons / Year Capacity

Ready to Get Started?

Contact our engineering team for technical consultation, custom powder‑coated color matching, sample request and competitive quotation. We provide complete metal coil & building panel solution for your project.

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