Mon - Sat: 10:00 AM - 8:30 PM (Sun by Appointment)
Celebrating Trust, Precision & Togetherness
Laboratory & Community Showcase

Celebrating Trust, Precision & Togetherness

Decades of certified metallurgical precision and cherished relationships with jewellers across Kalyan, Ulhasnagar, and Dombivli.

Celebrating Trust & Togetherness

Celebrating Trust & Togetherness
Rajendra Touch Lab Moments

Celebrating Trust & Togetherness

Honoring long-standing relationships with Kalyan's leading jewellers.

Laboratory Team & Technical Assayers
Customer Trust & Milestone Gathering
Felicitation & Community Partnership
High-Temperature Cupellation & Melting
Precision Hallmark & Purity Inspection
Master Goldsmith Craftsmanship Station
Full Laboratory Collection

Testing Infrastructure & Moments

Browse through our testing machinery, fire assay cupellation units, and community gatherings.

Celebrating Trust & Togetherness
Trust & Celebrations
Kalyan Facility Event

Celebrating Trust & Togetherness

Felicitation and partnership moments with Kalyan's esteemed jewellery community at Rajendra Touch Lab.

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Senior Assaying & Technical Team
Trust & Celebrations
Team Rajendra Touch Lab

Senior Assaying & Technical Team

The dedicated team of metallurgists, lab technicians, and staff ensuring precision in every test.

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Customer Trust & Milestone Gathering
Trust & Celebrations
Milestone Celebration

Customer Trust & Milestone Gathering

A gathering celebrating decades of honest and accurate bullion verification services in Maharashtra.

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Jeweller Community Felicitation
Trust & Celebrations
Community Trust

Jeweller Community Felicitation

Honoring trade partners, goldsmiths, and jewellers who rely on certified RTL tunch certificates.

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Certified 24K Gold Bullion Bars
Laboratory Facility
99.99% Fine Gold Standards

Certified 24K Gold Bullion Bars

Multi-lot 999.9 purity bullion bars evaluated on electronic micro-balances with official net gold calculation.

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Fire Assay Furnace & Melting Crucible
Fire Assay & Melting
1100°C Cupellation Furnace

Fire Assay Furnace & Melting Crucible

Foundry crucible operating at 1100°C for cupellation parting and exact metallurgical fineness determination.

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Microscope & Optical Loupe Inspection
Machines & Technology
10x–40x Optical Precision

Microscope & Optical Loupe Inspection

Detailed optical analysis of hallmark stamps, soldering joints, and surface purity characteristics.

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Bench Goldsmith Jewellery Repair
Hallmarking & Craftsmanship
Cold Micro-Laser Welding

Bench Goldsmith Jewellery Repair

Precision bench station for micro-laser soldering, claw retipping, and resizing precious metal jewelry.

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Volhard Chemical Titration Glassware
Fire Assay & Melting
ISO Silver Titration Method

Volhard Chemical Titration Glassware

Analytical titration flasks and glassware for determining silver purity in ornaments and utensils.

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Gold Coins & Sovereign Weight Audit
Laboratory Facility
Bank Approved Valuer Grade

Gold Coins & Sovereign Weight Audit

Independent weight and density verification for bank gold coins, antique sovereigns, and investment bars.

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Automated Vector Laser Hallmarking
Hallmarking & Craftsmanship
0.01mm Vector Accuracy

Automated Vector Laser Hallmarking

Fiber laser marking station applying government recognized 6-digit HUID marks and customized logo stamps.

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Computerized XRF Spectrometer Suite
Machines & Technology
Instant Karatage Report

Computerized XRF Spectrometer Suite

Non-destructive digital XRF spectrometer testing multi-channel alloy composition within 10 minutes.

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Kalyan Testing Laboratory Infrastructure

Want to See Our Testing Process in Person?

We operate transparent testing counters. Watch your gold weighed on 5-decimal balances and scanned in our German XRF spectrometer right before your eyes at Prakash Tower, Shop 11/A, Opp. Raja Hotel, Ahilyabai Chowk, Kalyan (W).