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Steel Coils

Color Coated Steel Coils & Sheets
Manufacturers in China

Premium PPGI, PPGL, Corrugated Roofing Sheets & Printed Steel Coils for Construction, Solar, and Industrial Applications

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About Zhejiang Tiannv Color Steel Co., Ltd.

A trusted China-based manufacturer and supplier of high-quality color coated steel products since 2003.

Factory

Company Profile

Zhejiang Tiannv Color Steel Co., Ltd. was established in January 2003 as a Sino-Hong Kong joint venture with a registered capital of 50 million RMB. Located in Tongxiang, Zhejiang Province, our facility spans 50,000㎡ with a workshop area of 12,000㎡.

We specialize in manufacturing hot galvanized steel coils, aluzinc coils, prepainted steel coils (PPGI/PPGL), printed PPGI for household appliances, corrugated roofing sheets, and PPGI paint. Our annual production capacity reaches nearly 100,000 metric tons.

With 85 skilled employees, 5 professional engineers, and 15 experienced office personnel, we are committed to excellence through advanced technology and strict quality control.

ISO9001 Certified Quality Management
100,000 Tons Annual Production Capacity
Exported to Global Markets Since 2003

Our Principle

Technology Creates Excellence – We leverage advanced manufacturing processes and continuous innovation to deliver superior steel products.

Our Aim

To expand our global footprint by providing reliable, high-performance color coated steel solutions with exceptional customer service.

Our Concept

Customer-centric approach with a focus on long-term partnerships, quality assurance, and sustainable growth.

Our Product Range

Premium quality color coated steel products for diverse industrial and construction applications

HDGI/Alu-Zinc Coil

HDGI / Alu-Zinc Coil

High durability galvanized and aluminum-zinc coated steel coils ideal for corrosion resistance in harsh environments.

  • Base: Hot-dip galvanized or Alu-Zinc
  • Applications: Roofing, cladding, ducts
  • Standards: ISO 9001 compliant
PPGI/PPGL Construction Coil

PPGI/PPGL for Construction

Prepainted galvanized and galvalume steel coils designed for building and structural applications.

  • Thickness: 0.3-1.2mm
  • Width: Up to 1250mm
  • Colors: Custom RAL available
Special Application PPGI

PPGI/PPGL for Special Applications

Engineered for specialized uses including solar heaters, shutters, and industrial enclosures.

  • Anti-scratch & UV resistant
  • High reflectivity options
  • Custom coating thickness
Printed PPGI Coil

Printed PPGI Coil

Decorative printed steel coils for appliances and architectural finishes with realistic textures.

  • Wood grain, stone, marble effects
  • For household appliances
  • Custom design printing
Corrugated Roofing Sheet

Roofing / Corrugated PPGI Sheet

Durable corrugated steel roofing sheets for industrial buildings, warehouses, and residential use.

  • Thickness: 0.38-0.8mm
  • Wave patterns: Standard & custom
  • Long-span structural support
PPGI Paint

PPGI Paint

High-performance coating system for prepainted steel with excellent adhesion and weather resistance.

  • Polyester, PVDF, SMP options
  • UV protection & color retention
  • Compatible with all base metals
Hot Rolled Steel Coils

Hot Rolled Steel Coils

High-strength base material for further processing into galvanized or prepainted products.

  • Grade: Q195-Q345
  • Width: 600-1250mm
  • Coil weight: Up to 15 tons
Roll Forming Machine

Roll Forming Machine

Precision machinery for producing corrugated and profiled steel sheets from coils.

  • Custom profiles available
  • Speed: 10-30m/min
  • PLC control system

Industries We Serve

Our color coated steel products are trusted across multiple sectors worldwide

Construction

Steel structures, workshops, warehouses, residential roofing, and cladding systems.

Solar Energy

Solar heater panels, mounting structures, and solar farm enclosures with high reflectivity.

Household Appliances

Refrigerators, washing machines, ovens, and air conditioners with printed and coated finishes.

Light Industry

Storage tanks, ventilation systems, electrical cabinets, and industrial enclosures.

Our Quality Control Process

At Zhejiang Tiannv Color Steel Co., Ltd., quality is not an afterthought—it's built into every step of our manufacturing process.

  • We use only high-quality hot-dip galvanized or Alu-Zinc coated steel coils as base material.
  • Strict selection of coated paints ensures excellent adhesion, durability, and color retention.
  • All products undergo rigorous testing for thickness, coating weight, and mechanical properties.
  • ISO9001 certified quality management system ensures consistency and reliability.
Quality Control

Frequently Asked Questions

Get answers to common inquiries about our products and services

What is PPGI steel?

PPGI stands for Pre-Painted Galvanized Iron. It is a steel product that has been coated with a layer of zinc and then painted with organic coatings for enhanced durability and aesthetics.

What are the advantages of color coated steel coils?

Color coated steel offers excellent corrosion resistance, long service life, aesthetic appeal, easy installation, and low maintenance. It is ideal for roofing, cladding, and appliance manufacturing.

Can you provide custom colors and sizes?

Yes, we offer custom RAL colors and can produce coils and sheets in various thicknesses (0.3-1.2mm), widths (up to 1250mm), and lengths according to customer specifications.

What is the minimum order quantity?

Our standard MOQ is 25 metric tons, but we can accommodate smaller trial orders for new customers. Contact us for specific requirements.

How do you ensure product quality?

We follow a strict quality control process from raw material selection to final inspection. Our ISO9001 certification ensures consistent quality across all production batches.

Get in Touch With Us

Contact us to get a free quote and expert advice on color coated steel solutions.

Contact Details

Company: Zhejiang Tiannv Color Steel Co., Ltd.

Address: No.8, Zaolin Road, Longxiang Street, Tongxiang, Zhejiang, China

Phone: +86 573 89381086

Fax: +86 573 88797529

Email: [email protected]

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