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Shanghai Harza
Technology Co., Ltd.

Located in the "Hometown of Nonferrous Metals", we specialize in high-performance metal powders for aerospace, automotive, 3D printing, ink, coatings, and advanced manufacturing industries.

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About Harza Tech

Shanghai Harza Technology Co., Ltd. is a leading innovator in advanced metal powders and materials engineering. Based in China’s renowned nonferrous metals hub, our company leverages decades of metallurgical expertise to serve high-tech industries including aviation, aerospace, automotive, machinery manufacturing, power systems, communications, construction, and consumer appliances.

We are committed to reputation first, customer satisfaction, quality assurance, and on-time delivery. Our mission is to build sincere partnerships and grow hand-in-hand with global clients through innovation and reliability.

  • Premium Copper-Gold Powders
  • 3D Printing & Additive Manufacturing Materials
  • Silver-Based Conductive Pastes & Rare Metals
  • Precision Grinding & Milling Equipment
Changsha Industrial Area - Harza Technology Base

Our Product Range

From ultra-fine metal powders to specialized additive manufacturing materials, Harza Tech delivers precision-engineered solutions for industrial excellence.

240 Mesh Copper Gold Powder

240 Mesh Copper-Gold Powder

Flake-shaped metallic pigment with excellent luster and floating properties.

  • Cu Content: ≥71%
  • Size: 3–50 microns
  • Colors: Green Gold, Red Gold, Bronze Gold
  • Use: Inks, paints, plastics, coatings
800 Mesh Fine Powder Series

800 Mesh Fine Powder Series

Ultra-fine copper-gold powder for high-resolution printing and coating.

  • Fineness: Up to 800 mesh
  • Shape: Flake powder
  • Effect: High hiding power, smooth finish
  • Applications: Gravure, offset, screen printing
Gravure Printing Powder

Gravure Series Powder

Optimized for gravure printing with superior adhesion and metallic shine.

  • Type: Metallic pigment
  • Resistance: Up to 250°C
  • Form: Gravure Gold Bar, Copper-Gold Bar
  • Use: Packaging, decorative films, labels
Fabric Gold Printing Powder

Water-Based Copper-Gold Powder

Eco-friendly formulation for textile and fabric printing applications.

  • Solvent: Water-based
  • Compatibility: Textile inks, screen printing
  • Effect: Durable metallic finish
  • Applications: Apparel, home textiles, banners
High Temperature Resistant Powder

High-Temp Resistant Powder

Engineered for extreme environments up to 250°C without oxidation.

  • Max Temp: 250°C
  • Stability: Oxidation-resistant
  • Uses: Automotive coatings, industrial paints
  • Form: Flake powder

3D Printing Metal Powders

High-purity powders for additive manufacturing and AM processes.

  • Types: Molybdenum, Stainless Steel, Aluminum Alloy
  • AM Materials: Ti-6Al-4V, Inconel 718, Al-Si10-Mg
  • Particle Size: Controlled distribution
  • Purity: >99.5%

Silver-Based Materials

Conductive silver powders and pastes for electronics and energy sectors.

  • Products: Silver powder, silver paste
  • Conductivity: High electrical & thermal
  • Applications: Solar cells, PCBs, sensors
  • Packaging: Sealed containers, inert atmosphere

Brazing & Rare Metals

Specialty alloys and rare elements for high-performance joining and R&D.

  • Brazing Alloys: High-strength, corrosion-resistant
  • Rare Metal: Gallium (Ga)
  • Forms: Ingots, pellets, liquid (Ga)
  • Uses: Electronics, aerospace, medical devices

Why Choose Harza Tech?

Precision, reliability, and innovation at the core of every product.

Quality Guaranteed

Rigorous QC processes ensure consistent particle size, purity, and performance.

Industrial Expertise

Decades of experience in nonferrous metals and advanced material engineering.

On-Time Delivery

Reliable logistics and global shipping with strict adherence to schedules.

Customer First

Dedicated support and technical consultation for every client.

100+
Global Clients
15+
Years Experience
50+
Product Variants
99.8%
Customer Satisfaction

Key Applications

Our materials empower innovation across diverse high-tech industries.

Inks & Coatings

Used in gravure, offset, screen, and flexographic printing for packaging, labels, and decorative finishes with brilliant metallic effects.

Fabric Printing

Ideal for textile decoration with water-based formulations ensuring durability and vibrant gold appearance on fabrics.

3D Printing

Supplies high-purity powders for selective laser melting (SLM) and electron beam melting (EBM) in aerospace and medical implants.

Automotive

Used in coatings, brazing, and conductive components requiring thermal stability and corrosion resistance.

Electronics

Silver pastes and powders for solar cells, printed circuit boards, and conductive adhesives.

Industrial Manufacturing

Powder metallurgy, thermal spraying, and additive manufacturing for durable, high-performance parts.

Grinding & Processing Equipment

Precision machinery for powder size reduction and material refinement.

Planetary Milling Jars

Milling Media

Roller Mill Jars

Planetary Mills

Roller Mills

Stirred Ball Mill

Our equipment ensures consistent particle size distribution and high-efficiency processing for optimal powder performance.

Frequently Asked Questions

What is copper-gold powder used for?

It is primarily used to create metallic inks, paints, and coatings. It can also be added directly to plastics, powder coatings, and fabric printing for a gold-like appearance.

Can your powders withstand high temperatures?

Yes, our high-temperature resistant copper-gold powders can endure up to 250°C without degradation, making them suitable for industrial baking and automotive applications.

Do you offer custom particle sizes?

Yes, we can customize mesh sizes and particle distributions based on client requirements for specific printing or manufacturing processes.

What packaging options are available?

Standard packaging is 25 kg per drum. Custom packaging is available upon request for bulk or sensitive materials like silver paste and gallium.

Get in Touch

Reach out to us for product inquiries, technical support, or partnership opportunities.

Contact Information

Phone: +86-18520584493

Email: [email protected]

Skype: [email protected]

WhatsApp: +86 15367985688

WeChat: 15367985688

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