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AP'S ASSAY  CENTRE  PVT. LTD.

BIS Hallmark Certified

AP'S ASSAY CENTRE  PVT. LTD.

Radha krishn Gold & Silver Refinery

Purity You Can Trust, Quality You Deserve. BIS Hallmark Certified with Advanced Assaying Technology and 99.99% Purity Assured.

— About Us —

AP'S ASSAY CENTRE PVT. LTD

Radha krishn Gold & Silver Refinery is a premier destination for precious metal refining, assaying, and hallmarking. Our state-of-the-art facility combines traditional craftsmanship with cutting-edge technology to deliver the highest standards of purity and accuracy.
Located in Bichali Ghat, Metiabruz, Kolkata, we specialize in gold refining, silver refining, assaying, hallmarking, and precious metal exchange services. With BIS Hallmark certification and advanced SPECTRO MIDEX analysis equipment, we guarantee 999.9 purity. Our commitment to transparency and precision has made us the trusted partner for jewelers and investors.

Certified

BIS Hallmark Approved

Precision

999.9 Purity Standard

Premium

World-Class Quality

— Our Services —

Premium Refinery Services

From melting and testing to hallmarking and recovery, we offer a comprehensive suite of precious metal services with uncompromising quality.

Gold Melting

Advanced high-temperature melting with precision-controlled furnaces for optimal gold recovery and purity.

Gold Testing

State-of-the-art XRF and fire assay testing methods to determine exact gold purity and composition.

Silver Testing

Comprehensive silver analysis using industry-leading equipment for accurate purity assessment.

Hallmark Testing

BIS-certified hallmark testing ensuring your precious metals meet international quality standards.

Gold & Silver Exchange

Transparent and fair exchange services with real-time market pricing for precious metals.

Coin Manufacturing

Custom minting of gold and silver coins with precision engraving and certified purity.

Bullion Services

Complete bullion trading, storage, and investment advisory services for institutional clients.

Precious Metal Recovery

Eco-friendly recovery of precious metals from electronic waste, jewelry scraps, and industrial materials.

— Our Process —

The Refinery Journey

A meticulous six-step process that transforms raw precious metals into products of the highest purity and quality

Refinery Process
1

Collection

Secure collection and documentation of precious metals from clients.

2

Testing

Comprehensive purity analysis using XRF and fire assay methods.

3

Melting

High-temperature melting in precision-controlled furnaces.

4

Refining

Advanced electrolytic and chemical refining processes.

5

Purity Check

Final quality inspection ensuring 999.9 purity standard.

6

Delivery

Secure insured delivery of refined products to clients.

— Why Choose Us —

The Gold Standard of Trust

Every ounce of gold and silver that passes through our refinery is treated with the utmost care, precision, and respect it deserves.

Trusted Service

Over 25 years of trusted service in precious metal refining with an impeccable track record.

Advanced Technology

Cutting-edge XRF analyzers, spectrometers, and precision furnaces for accurate results.

Transparent Valuation

Real-time market-linked pricing with complete transparency at every step.

Expert Professionals

Team of certified metallurgists and assayers with decades of combined experience

999.9 Purity Assured

Guaranteed 999.9 fine gold and silver meeting international purity standards.

Certified Testing

Certified Testing BIS Hallmark authorized and ISO certified testing laboratory.

— Technology —

World-Class Equipment

Our refinery is equipped with the most advanced precious metal processing technology available in the industry..

XRF Analyzers

Non-destructive precious metal analysis with 99.99% accuracy in seconds..

Induction Furnaces

High-frequency induction melting systems for clean, efficient processing.

Spectrometers

Advanced optical emission spectrometry for detailed composition analysis.

Quality Systems

ISO-certified quality management systems throughout the refining process.

— Our Products —

Premium Gold & Silver Investment Product

Our refinery is equipped with the most advanced precious metal processing technology available in the industry..

Gold Bars

999.9 Fine Gold Bullion

Silver Bars

999 Fine Silver Bullionn

Gold Coins

Certified Minted Gold

Silver Coins

Premium Silver Coins

Bullion Products

Investment Grade
— Get In Touch —

Contact Us

Ready to experience world-class refinery services? Reach out to us for a consultation or quote.

— Get In Touch —

Contact Us

Ready to experience world-class refinery services? Reach out to us for a consultation or quote.

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