BIS 916 & 750 Hallmarked • 100% Certified Fine Jewellery
ISO 9001:2015 Certified Manufacturing Facility

Precision Engineering & Computerized Metallurgical Assaying

Operating out of Kolkata’s IT and industrial corridor (Mani Casadona, Sector V), AP Jewellers fuses four decades of traditional Bengali goldsmith filigree heritage with modern German vacuum induction casting, computerized XRF spectrometry, and laser hallmark assaying.

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Atelier Capabilities

High-Precision Jewellery Manufacturing Hub

Over 500 kg monthly gold processing capacity with zero porosity tolerance.

German Induction Casting

Indutherm computerized vacuum-pressure casting machines ensure zero internal gas porosity, providing superior tensile strength for lightweight bridal bangles and delicate choker links.

15-Micron Wax Prototyping

High-speed industrial DLP polymer 3D wax printers produce clean-burning resin prototypes with exact weight predictability, eliminating surface striations before casting.

Stereo Microscope Setting

Cleanroom precision stone setting workstations equipped with pneumatic micro-gravers and 40x magnification ensure every gem and polki stone is seated at an identical table depth with mirror prongs.

XRF Spectral Assaying

Government-recognized BIS laser hallmarking centre with in-house EDXRF spectrometers. Fast-tracks 6-digit alphanumeric HUID laser etching directly on jewellery clasps.

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