STPL
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The pioneers in bringing revolutionary technology for diamond industry and medical device manufactur
STPL was incorporated in 1993 inspired by unique advantages of Laser Technology like high productivity, automation worthiness, elimination of finishing operations and reduced processing cost for diamond industry. We believe in delivering valuable and dependable solutions based on high end technology in the benefit of the industry. Sahajanand is one of the very few companies who provide product ran
20/05/2026
LSM FM-T delivers permanent, high-accuracy laser marking on every metal and surface — compact enough for any workshop, powerful enough for luxury production.
Zero maintenance. Real-time positioning. Flawless every time.
19/05/2026
STPL's Smart-i15 registers, verifies & identifies every diamond with 99.9999% accuracy — in under 3 seconds. Totally non-invasive. Globally accessible. Always reliable.
Because every diamond deserves to be protected like the rare thing it is.
18/05/2026
STJW-200 by STPL brings next-gen laser welding to every repair, every setting, and every custom creation — with minimal thermal impact and maximum precision.
Because the details are what make a piece extraordinary.
Weld it right. Every single time.
06/05/2026
Lazer Leap by STPL brings laser-sharp 3D shaping to every diamond — compact in size, massive in capability.
Your shapes. Your standards. Zero compromise.
Precision Meets Passion: The Future of Kolkata’s Jewelry
Kolkata is the heart of exquisite craftsmanship, and now, your workshop can have the technology to match your artistry.
Introducing the STJW-200 by STPL – the ultimate laser welding machine built for the modern jewelry manufacturer.
Why settle for less when you can have 100% Made in India precision?
Why the STJW-200 is a Game-Changer:
Non-Stop Performance: Designed for 24x7 operation without ever overheating.
Expert Control: Features a 16 Pulse Shaping program for those delicate, intricate touches.
Superior Quality: Achieve flawless welds on rings, chains, and complex designs with ease.
Local Support, Global Standards: Why import when the best is made right here?
Experience it for yourself!
Call us today for a Quick Demo and see how we can elevate your production.
Contact Us: +91 99251 47373
04/05/2026
INSM 100 doesn't just manufacture jewellery — it reimagines how it's made. No moulds, no tooling, no waiting. Just intricate metal printing that brings your boldest designs to life.
By STPL. The future is already here.
01/05/2026
Honoring the rich traditions, resilient spirit, and inspiring growth of Gujarat and Maharashtra.
Wishing everyone a proud and joyful Gujarat & Maharashtra Diwas.
30/04/2026
Every joint. Every setting. Every repair.
The STJW-200 handles it all — from delicate stone setting to intricate chain repairs — with laser accuracy and zero overheating. A 7"" touchscreen, dual air delivery, and hands-free foot pedal make it as easy to operate as it is powerful.
Why import, when this is built right here?
27/04/2026
The gap between concept and creation just got smaller.
With the INSM 100, jewellery manufacturers can move from design to production faster, with higher detail and zero tooling investment. Built specifically for the jewellery industry — by STPL.
This is what modern manufacturing looks like.
Rare. Valuable. Protected.
The Smart-i15 by STPL captures the DNA of every diamond — verifying identity in 3 seconds with 99.9999% accuracy. Zero markings. Zero compromise.
Because a diamond this rare deserves security this smart.
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Surat
395004