1. Introduction

Precious metal recycling is an important part of the global resource recovery industry. Many industrial products, electronic components, automotive parts, chemical materials and manufacturing residues contain valuable precious metals.

Dingfeng Precious Metals specializes in purchasing and recycling various types of precious metal-bearing waste materials from international suppliers, manufacturers, factories, traders and recycling companies.

Our main metal recovery interests include:

• Gold (Au)

• Silver (Ag)

  Platinum (Pt)

• Palladium (Pd)

• Rhodium (Rh)

• Iridium (Ir)

• Ruthenium (Ru)

We also handle selected strategic and rare metal-bearing materials, including:

• Germanium (Ge)

• Indium (In)

• Tantalum (Ta)

• Gallium (Ga)

We welcome inquiries from overseas suppliers with industrial scrap, production waste, used components, chemical residues and precious metal-bearing materials.

2. Gold-Bearing Scrap (Au)

Gold is widely used in electronics, semiconductor manufacturing, telecommunications, aerospace, medical devices and precision electrical components.

2.1 Common Gold Scrap Materials

2.2 International Brands and Product Series

2.3 High-Potential Gold Scrap

• Gold-plated connector pins

• Gold-plated aerospace contacts

• Gold bonding wire

• IC lead frames

• Gold-plated copper terminals

• Gold-plated electronic components

• Semiconductor production scrap

• Gold-bearing electroplating sludge

3. Silver-Bearing Scrap (Ag)

Silver has excellent electrical and thermal conductivity. It is widely used in electrical equipment, solar panels, electronics, brazing and industrial manufacturing.

3.1 Common Silver Scrap Materials

3.2 International Brands and Models

3.3 Important Silver Scrap Sources

• Electrical switch factories

• Circuit breaker manufacturers

• Solar panel manufacturers

• PCB factories

• Silver plating factories

• Automotive electrical component manufacturers

• Brazing material producers

• Electronic waste recycling facilities

4. Platinum-Bearing Scrap (Pt)

Platinum is widely used in automotive catalysts, chemical processing, glass manufacturing, electronics, laboratory equipment and industrial temperature measurement.

4.1 Common Platinum Scrap Materials

4.2 International Brands and Models

4.3 Typical Platinum-Rhodium Alloys

• Pt90Rh10: 90% Platinum and 10% Rhodium

• Pt87Rh13: 87% Platinum and 13% Rhodium

• Pt70Rh30: 70% Platinum and 30% Rhodium

These alloys are commonly used in high-temperature thermocouples and industrial equipment.

4.4 High-Potential Platinum Scrap

• Used platinum-rhodium thermocouple wire

• Platinum mesh

• Platinum gauze

• Platinum crucibles

• Platinum electrodes

• Platinum catalyst residues

• Platinum-bearing chemical waste

• Platinum jewelry production scrap

5. Palladium-Bearing Scrap (Pd)

Palladium is widely used in automotive catalytic converters, electronic components, multilayer ceramic capacitors, chemical catalysts and electroplating.

5.1 Common Palladium Scrap Materials

5.2 International Brands and Models

5.3 Important Palladium Sources

• Petroleum refineries

• Chemical factories

• Pharmaceutical manufacturing plants

• Electronics factories

• Ceramic capacitor manufacturers

• Automotive catalyst recycling companies

• Electroplating factories

Important: Not all MLCC capacitors contain palladium. Modern components may use nickel or other base-metal electrodes. Identification and chemical analysis are necessary.

6. Rhodium-Bearing Scrap (Rh)

Rhodium is one of the most valuable platinum-group metals. It is mainly used in automotive catalytic converters, glass manufacturing, chemical catalysts and platinum-rhodium alloys.

6.1 Common Rhodium Scrap Materials

6.2 International Brands and Models

6.3 Common Rhodium Sources

• Gasoline vehicle catalytic converters

• Platinum-rhodium thermocouple wire

• Glass fiber manufacturing

• Glass melting furnaces

• Chemical catalyst residues

• Rhodium electroplating factories

7. Iridium-Bearing Scrap (Ir)

Iridium is an extremely rare and valuable metal with excellent corrosion resistance and high-temperature stability.

It is used in spark plugs, chemical equipment, electrical contacts, electrochemical processes and specialized industrial applications.

7.1 Common Iridium Scrap Materials

7.2 International Brands and Models

7.3 Important Iridium Scrap Sources

• Automotive repair workshops

• Spark plug distributors

• Engine maintenance companies

• Natural gas power plants

• Biogas power plants

• Industrial generator maintenance companies

• Electrochemical equipment manufacturers

• Crystal growth and laboratory equipment manufacturers

8. Ruthenium-Bearing Scrap (Ru)

Ruthenium is used in electronics, electrical contacts, resistors, chemical catalysts and advanced materials.

8.1 Common Ruthenium Scrap Materials

8.2 International Brands and Models

8.3 Important Ruthenium Scrap Sources

• Semiconductor factories

• Resistor manufacturers

• Electronic component factories

• Chemical catalyst manufacturers

• Precious metal refining companies

• Sputtering target manufacturers

9. Automotive Catalytic Converter Recycling

Automotive catalytic converters are one of the most important sources of platinum-group metals.

They generally contain platinum, palladium and rhodium, depending on the vehicle, engine and catalyst design.

9.1 Major International Brands

9.2 Vehicle Brands and Potential Catalyst Sources

9.3 Common Catalyst Identification Information

When purchasing catalytic converters, request:

• Manufacturer and brand

• Part number

• OEM number

• Vehicle make and model

• Production year

• Catalyst type

• Ceramic or metallic substrate

• Net weight

• Quantity

• Photos of the catalyst and identification markings

Important: Vehicle models and OEM numbers are only preliminary identification references. Actual PGM content varies significantly by catalyst generation and specification.

10. Electronic and Semiconductor Precious Metal Scrap

The electronics industry is an important source of gold, silver, palladium, platinum and ruthenium-bearing waste.

10.1 Common Materials

10.2 International Brands

• Intel

• AMD

• Samsung

• SK hynix

• Micron

• TSMC

• Texas Instruments

• Infineon

• STMicroelectronics

• NXP

• Renesas

• Murata

• TDK

• Kyocera

• Vishay

10.3 Common Electronic Component Series

11. Electroplating and Chemical Industry Waste

Electroplating factories and chemical manufacturers can generate precious metal-bearing solutions, sludge, powders and production residues.

11.1 Materials to Source

11.2 International Chemical and Refining Companies

• Johnson Matthey

• BASF

• Umicore

• Heraeus

• Tanaka

• Safina

• Technic

• Atotech

• MacDermid Alpha

• Umicore Electroplating

These companies and their supply chains are useful industry research targets. Their products, production facilities and waste streams should be investigated separately.

12. Glass, Chemical and High-Temperature Industrial Scrap

Certain industrial processes require platinum-group metals because of their excellent high-temperature and chemical properties.

Common Waste Materials

Potential Industrial Suppliers

• Glass fiber factories

• Glass melting plants

• Petroleum refineries

• Chemical plants

• Fertilizer manufacturers

• Pharmaceutical factories

• Industrial gas producers

• Crystal growth facilities

13. Aerospace, Medical and Precision Industrial Scrap

Specialized industries also use precious metals in high-performance components.

Common Materials

Potential International Manufacturers

14. Strategic and Rare Metal-Bearing Waste

In addition to precious metals, some industrial waste materials contain strategic metals with recycling value.

These materials can be found in semiconductor manufacturing, display production, electronic components and advanced industrial materials.

International Brands and Manufacturers

15. International Supplier Development: Where to Find Scrap

For overseas purchasing, the following industries are important potential suppliers.

Recommended Overseas Markets

• United States and Canada

• United Kingdom and Germany

• France and Italy

• Japan and South Korea

• Australia and New Zealand

• Singapore and Malaysia

• Thailand and Vietnam

• Turkey and the Middle East

• Mexico and Brazil

• South Africa

16. Information Required When Contacting Overseas Suppliers

To evaluate a potential purchase, we recommend requesting the following information.

Basic Material Information

1. Material name and description.

2. Manufacturer and brand.

3. Model number or product code.

4. Country of origin.

5. Total available quantity.

6. Net weight.

7. Current storage condition.

8. Photos and videos.

9. Available chemical analysis or XRF reports.

10. Expected selling price.

Technical Information

• Precious metal content.

• Chemical composition.

• Moisture content.

• Physical form.

• Whether the material is mixed or sorted.

• Whether it has undergone previous processing.

• Whether independent laboratory testing is available.

Commercial Information

• Supplier's company name.

• Supplier's location.

• Available monthly quantity.

• Minimum shipment quantity.

• Expected payment terms.

• Export availability.

• Material ownership and origin documentation.

17. Sampling, Testing and Purchasing Procedure

A professional precious metal recycling transaction should follow a transparent evaluation process.

Step 1 – Initial Inquiry

The supplier provides material descriptions, photos, estimated quantities and available analysis reports.

Step 2 – Preliminary Evaluation

The recycling company evaluates the material type, potential metal content and feasibility of recovery.

Step 3 – Sample Submission

The supplier sends a representative sample for testing according to the agreed sampling and shipping requirements.

Step 4 – Laboratory Analysis

The material is tested using appropriate analytical methods.

Depending on the material, methods may include:

• XRF screening

• ICP-OES

• ICP-MS

• Fire assay

• Wet chemical analysis

• Other suitable laboratory methods

Step 5 – Final Quotation

The purchase price is calculated according to the verified metal content, payable metal percentage, current market prices, processing costs and commercial terms.

Step 6 – Contract and Shipment

Both parties confirm the purchase agreement, material quantity, export documentation, transportation and payment arrangements.

Step 7 – Settlement

Payment is made according to the agreed contract and final settlement terms.

18. Important Notes for International Scrap Suppliers

• Photos alone cannot determine the exact precious metal content.

• XRF results are preliminary screening information and may not represent the entire batch.

• Different brands and models may have different precious metal compositions.

• Mixed materials should be identified and classified before shipment.

• Representative sampling is important for accurate evaluation.

• Chemical solutions, powders, catalysts and hazardous residues require appropriate safety and shipping documentation.

• International shipments must comply with applicable export, import, customs and hazardous-waste regulations.

• Material origin and legal ownership should be verified.

19. Why Work with Dingfeng Precious Metals?

Dingfeng Metal Technology Co., Ltd. is a high-tech enterprise specializing in precious metal recycling, refining and precision testing.

Our company has nearly 20 years of development experience in the precious metal recycling industry and holds relevant environmental protection and hazardous-waste treatment qualifications in China.

Our Main Business

We purchase and recycle:

Precious Metals

• Gold (Au)

• Silver (Ag)

• Palladium (Pd)

• Platinum (Pt)

• Rhodium (Rh)

• Iridium (Ir)

• Ruthenium (Ru)

Strategic Metals

• Germanium (Ge)

• Indium (In)

• Tantalum (Ta)

• Gallium (Ga)

Industrial Scrap

• Used iridium and platinum spark plugs

• Automotive catalytic converters

• Platinum-rhodium thermocouple wire

• Precious metal catalysts

• Gold-plated pins and contacts

• Silver contacts and silver-plated materials

• Electronic and semiconductor scrap

• Precious metal-bearing solutions and sludge

• Iridium titanium plates and electrodes

Our Advantages

• Direct industrial recycling and refining company.

• Professional precious metal testing capabilities.

• Experienced technical and R&D team.

• Advanced separation and extraction technologies.

• Long-term cooperation with industrial suppliers.

• Professional evaluation of different precious metal-bearing waste materials.

• Focus on long-term international business relationships.

20. International Business Cooperation

We are looking for long-term overseas suppliers, industrial manufacturers, scrap collectors, recycling companies, trading companies and precious metal waste dealers.

Whether you have a small sample for initial evaluation or a large quantity of industrial scrap, we welcome your inquiry.

Before sending samples, please contact us with material photos, estimated weight, brand, model and available analysis reports.

Company: Dingfeng Precious Metals
WhatsApp: +86 13760175719

Dingfeng Precious Metals – Your Reliable Partner for Precious Metal Scrap Recycling and Refining.

Recover Valuable Metals. Reduce Waste. Build Long-Term Partnerships.