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.

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
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.
The Refinery Journey
A meticulous six-step process that transforms raw precious metals into products of the highest purity and quality
Collection
Secure collection and documentation of precious metals from clients.
Testing
Comprehensive purity analysis using XRF and fire assay methods.
Melting
High-temperature melting in precision-controlled furnaces.
Refining
Advanced electrolytic and chemical refining processes.
Purity Check
Final quality inspection ensuring 999.9 purity standard.
Delivery
Secure insured delivery of refined products to clients.
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.
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.

Premium Gold & Silver Investment Product
Our refinery is equipped with the most advanced precious metal processing technology available in the industry..
Gold Bars
Silver Bars
Gold Coins
Silver Coins
Bullion Products
Contact Us
Ready to experience world-class refinery services? Reach out to us for a consultation or quote.
Contact Us
Ready to experience world-class refinery services? Reach out to us for a consultation or quote.