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Premium Galvanized Steel Coils & Metal Products

High-quality galvanized steel coils, PPGI sheets, stainless steel plates, and carbon steel pipes from Qingdao Shengqi Metal Products Co., LTD – your reliable partner in metal manufacturing since Wuxi, China.

22+
Galvanized Coil Types
20+
Pipe Variants
16+
Stainless Options

Your Professional & Reliable Partner

Qingdao Shengqi Metal Products Co., LTD is located in Wuxi, Jiangsu Province, on the coast of the beautiful Taihu Lake. We are situated in China's stainless steel distribution center, with convenient transportation and complete processing facilities.

As a professional enterprise, we integrate stainless steel, galvanized steel, and carbon steel seamless & welded pipes, steel profiles, steel coils, steel sheets, color-coated steel coils & sheets into one comprehensive manufacturing solution.

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Year Established
0
Million+ Employees
0
Million+ Annual Sales
Quality Certified

Quality Assurance

Our company has a strict quality control system and professional test laboratory. We maintain Trust Seal, Credit Check, RoSH compliance, and Supplier Capability Assessment to ensure every product meets international standards.

  • ISO & ASTM Standards
  • Professional Testing Lab
  • RoSH Compliant Materials
  • Third-party Inspections

Product Development

We have an internal professional design team and advanced machinery workshop. We can cooperate with clients to develop customized products that meet specific requirements for various industries.

  • Custom Specifications
  • OEM/ODM Services
  • Prototype Development
  • Technical Consultation

Our Premium Metal Products

Comprehensive range of galvanized steel, stainless steel, and carbon steel products manufactured to international standards for construction, industrial, automotive, and architectural applications.

Galvanized Steel Coil

High-quality cold-rolled galvanized steel coils with precise zinc coating for corrosion resistance.

Coating: Z181-Z275, Z100
Thickness: 0.12mm-4mm
Base Material: DX51D, SGCH
Application: Building, Automotive, Appliance
Standard: ASTM A653, JIS G3302

PPGI Coil

Color-coated galvanized steel coils with polyester or PVDF finish in RAL colors.

Thickness: 0.23-0.8mm
Coating: PE, PVDF, SMP
Color: RAL Standard Colors
Roll Weight: 0.5t-25t
Application: Roofing, Cladding, Appliances

Galvanized Steel Pipe

Seamless and welded galvanized steel pipes for structural and industrial applications.

Diameter: 21.3mm-219.1mm
Thickness: 0.3mm-8.0mm
Zinc Coating: 30-275g/m²
Standard: ASTM A106, ASTM A653
Grade: DX53D, G550, ST52

Stainless Steel Coil

Cold-rolled stainless steel coils in 200, 300, and 400 series for architectural and industrial use.

Grade: 304, 316L, 430, 440C
Standard: ASTM, AISI, JIS, DIN, GB
Surface: 2B, BA, No.1, No.4
Width: Customized
Application: Architecture, Decoration, Industry

Stainless Steel Plate

Decorative and industrial stainless steel plates with various surface finishes.

Grade: 304, 316L, 321, 310
Thickness: 4mm, 20mm (custom)
Surface: BA/2B/No.1/No.3/No.4/8K/HL
MOQ: 5 Tons
Application: Decoration, Architecture, Industry

PPGI Roofing Sheet

Color-coated roofing sheets with high durability for construction applications.

Grade: S280GD, S320GD, S350GD
Thickness: 0.13-0.8mm
Color: RAL Standard Colors
Coating: 20-25μm
Application: Construction, Home Appliance

Stainless Steel Pipe

Seamless and welded stainless steel tubes for industrial and decorative use.

Grade: 304/304L, 316/316L, 409, 410
Diameter: 12x18mm (custom)
Tolerance: ±5%
Standard: ASTM A312, TP316
Type: Seamless, Welded

Carbon Steel Profiles

Structural steel profiles including H-beams, channels, and angle iron.

Grade: Q235, Q345, S355
Type: H-Beam, C-Channel, Angle Iron
Standard: EN10025, ASTM
Size: Custom Dimensions
Application: Building Construction

Why Choose Our Steel Products?

We combine advanced manufacturing technology with strict quality control to deliver superior metal products that meet international standards.

Quality Certified

RoSH compliant, Trust Seal verified, and supplier capability assessed to ensure product reliability and consistency.

Advanced Facilities

Located in China's stainless steel distribution center with complete processing facilities and modern machinery.

Global Shipping

Efficient logistics network with convenient coastal location in Wuxi, Jiangsu Province for worldwide delivery.

Custom Solutions

Professional design team available for OEM/ODM services and product development collaboration.

22
Galvanized Coil Types
20
Steel Pipe Variants
16
Stainless Options
150+
Total Products

Frequently Asked Questions

Find answers to common questions about our products and services.

What standards do your galvanized steel coils meet?

Our galvanized steel coils are manufactured according to international standards including ASTM A653, JIS G3302, and EN 10346. We offer various zinc coating weights from Z100 to Z275 to meet different corrosion resistance requirements.

What is the minimum order quantity (MOQ) for stainless steel plates?

The standard MOQ for stainless steel plates is 5 tons. However, we can accommodate smaller trial orders for new customers. Contact us to discuss your specific requirements.

Do you offer custom colors for PPGI coils?

Yes, we offer PPGI coils in any RAL color standard. We can match specific color requirements and provide color samples upon request. Our color-coated products use high-quality PE, PVDF, or SMP coatings.

What grades of stainless steel do you produce?

We manufacture stainless steel products in 200 series, 300 series (including 304, 316L, 321), and 400 series (including 430, 440C). All materials meet ASTM, AISI, JIS, DIN, and GB standards.

Can you provide product certifications?

Yes, we provide mill test certificates (MTC) for all shipments. We can also provide third-party inspection reports from SGS, BV, or other inspection agencies upon request.

Get in Touch With Our Team

Contact us for product inquiries, quotations, or technical specifications. Our sales team responds to all inquiries within 24 hours.

Email

echo@shengqisteel.com

Phone

86--15370879122

Location

Wuxi, Jiangsu Province, China

Send Us a Message

Please visit our official website to submit your inquiry with detailed requirements.

Visit Official Website to Contact

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