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Precious Metal Refining &
Environmental Protection Equipment

Zhengzhou Jinquan – Leading manufacturer of gold and silver electrolysis equipment, platinum-palladium-rhodium refining systems, and nitrogen oxide treatment solutions. Trusted by industries worldwide.

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Jin Quan Factory

About Zhengzhou Jinquan

Zhengzhou Jinquan is a professional manufacturer specializing in the development and production of precious metal refining equipment and environmental protection systems. Our core expertise includes gold and silver electrolysis units, platinum-palladium-rhodium refining, and nitrogen oxide waste gas treatment.

With years of technological innovation and global project experience, we provide high-efficiency, reliable, and environmentally compliant solutions for mining, recycling, and industrial sectors across China, South Africa, Europe, and East Asia.

100+
Cooperative Customers
98%
Success Rate

Why Choose Jin Quan?

Patented Technology

Holding multiple domestic and international patents in gold electrolysis, silver refining, and anode sludge processing.

Global Reach

Projects successfully deployed in South Africa, Europe, East Asia, and across China.

E-Waste Solutions

Advanced processes for gold extraction from e-waste using aqua regia and carbon electrolysis.

Full-Service Support

From equipment supply to installation, training, and after-sales service.

Our Products

Gold Electrolysis Equipment

Gold Electrolysis Equipment

High-efficiency systems for refining gold with precise output control and low energy consumption.

  • Model: Custom & Standard
  • Output: 1kg–100kg/day
  • Application: Refineries, recycling plants
Silver Electrolysis Equipment

Silver Electrolysis Equipment

Advanced units for high-purity silver refining with automated control systems.

  • Model: JQ-Ag Series
  • Output: 5kg–200kg/day
  • Features: Low acid consumption, high recovery
Copper Electrolysis

Copper Electrolysis System

Used in conjunction with precious metal refining for anode preparation and purification.

  • Capacity: 10–50 tons/month
  • Material: Stainless steel & PVC
  • Efficiency: >99.5% recovery
Platinum Palladium Rhodium Refining

Platinum Group Refining

Complete systems for refining platinum, palladium, rhodium, ruthenium, and iridium from catalysts and scrap.

  • Metals: Pt, Pd, Rh, Ru, Ir, Os
  • Source: Auto catalysts, industrial waste
  • Purity: Up to 99.95%
Nitrogen Oxide Treatment

Nitrogen Oxide Treatment

Environmental systems for treating NOx emissions from refining and smelting processes.

  • Capacity: 1000–20,000 m³/h
  • Removal Rate: >95%
  • Compliance: Meets EU & Chinese standards
Gold-Loaded Carbon Electrolysis

Gold-Loaded Carbon Processing

Electrolysis process for direct recovery of gold from activated carbon.

  • Process: Pre-treatment & electrolysis
  • Recovery: >97%
  • Application: Mining, e-waste recycling
Lead Anode Mud Pyrometallurgy

Lead Anode Mud Treatment

Pyrometallurgical process for recovering precious metals from lead refining byproducts.

  • Metals Recovered: Au, Ag, Pt, Pd
  • Process: Reduction smelting & refining
  • Yield: High recovery efficiency
Refining Accessories

Refining Accessories & Parts

Anodes, cathodes, filters, pumps, and control systems for complete integration.

  • Compatibility: All major refining systems
  • Material: Corrosion-resistant alloys
  • Support: Global shipping & technical docs
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Solutions & Project Cases

Customized Refining Solutions

We design and implement turnkey solutions for precious metal recovery from various sources including e-waste, spent catalysts, anode slimes, and industrial residues. Our systems are modular, scalable, and compliant with environmental regulations.

  • E-Waste Gold Recovery via Aqua Regia
  • Platinum Group Metal Refining from Auto Catalysts
  • Integrated NOx Treatment for Smelters
  • Full Plant Design & Commissioning
South Africa
Europe
East Asia
China
Watch Video Case Studies

Latest News

February 20, 2025

Gold Extraction from E-Waste Using Aqua Regia

Aqua regia stripping is a recycling method that dissolves the gold plating in e-waste. Jinquan’s optimized system increases yield and reduces chemical usage.

September 21, 2024

Pyrometallurgy of Lead Anode Mud

Recovery of precious metals through reduction smelting, oxidation refining, and electrolytic extraction. Proven in industrial-scale operations.

September 20, 2024

Gold-Loaded Carbon Electrolysis Process

Direct electrolysis from carbon reduces steps and increases efficiency in gold recovery from mining and recycling streams.

Contact Us

Office Address

Building 5, Longding Phase II, Zhongyuan District,
Zhengzhou City, Henan Province, China

Phone / WhatsApp / WeChat

+86 15713710073

Open Hours

Monday - Sunday: 8:00 AM – 6:00 PM (China Time)

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