Engineering excellence built over 35+ years of practice.
An ISO 9001:2015 certified manufacturer founded in 2002 by Mr. J N Patel — designing, developing, manufacturing and supplying mechanical power transmission products and material lifting accessories.
Years of Leadership Experience
Year Established
Certified Quality
Core Industries Served
Built on 35+ years of engineering heritage by Mr. J. N. Patel.
Founded in 2002 and led by an engineer with over three decades of hands-on experience, S J Patel Industries is an ISO 9001:2015 certified manufacturer dedicated to mechanical power transmission products and material lifting accessories. Every component we ship is the outcome of disciplined engineering and an obsession with reliability under load.
Two decades of engineered excellence, serving better than expectation.
Four principles drive every component we ship.
Engineering Heritage
Over three decades of practical, on-the-floor engineering experience underpins every product we ship — design decisions are informed by real plant conditions, not just the textbook.
Quality Without Compromise
ISO 9001:2015 certified processes govern raw material selection, machining tolerances, heat treatment and final inspection. Every component is traceable.
Application Engineering
We work alongside maintenance and reliability teams to specify the right chain, sprocket, coupling or gear for the duty cycle — not just the part number on the request.
Long-Term Partnership
Customers across cement, paper, sugar, power and metal sectors return to us because reliable supply, consistent quality and responsive service compound over the years.
A timeline of engineering practice.
- 1987
Mr. J N Patel begins his career in mechanical power transmission engineering.
- 2002
S J Patel Industries founded in Kolkata to design and manufacture transmission components.
- 2010
Manufacturing capability expanded with dedicated machining and assembly capacity at the Domjur, Howrah facility.
- 2015
Awarded ISO 9001:2015 certification — formalising QA processes already practiced internally.
- Today
Serving 8+ core industrial sectors across India with engineered chains, conveyors, couplings, pulleys, sprockets and gears.