4S4 PRODUCTION
Full-cycle manufacturer
of electronics in Bulgaria
the best offer for mass production
ISO standards
9001, 14001, 45001, 27001, 50001
years on the market
m² of production facilities
CPH on 11 SMT lines
About us
As a proud part of the 4S4Group family, 4S4Production is the manufacturing heart behind our success
Located in Botevgrad, Bulgaria, our state-of-the-art facility produces a wide range of high-quality products, including LED lighting solutions for indoor and outdoor applications, smart energy meters, cash registers, and EV charging stations, ect.
But our expertise doesn’t stop there. We also serve as a trusted partner for contract electronics manufacturers, delivering precision and reliability across a variety of production areas ↓
PCB assembling
we offer cutting-edge SMT&THT solutions for PCB assembly, ensuring precision and reliability for your electronic products
Metalworking & Automated painting
we specialize in crafting products of any complexity using sheet metal, aluminum, and profiles with unmatched quality and attention to detail
Acrylic glass products
bring
your vision to life with our custom-made acrylic glass products, crafted to
meet the highest standards of design and functionality
Custom Packaging solutions
whether you need individual or group packaging, we deliver tailored solutions that protect and showcase your products effectively
Team
At our facility, we pride ourselves on a team of seasoned professionals. We bring unparalleled precision and skill to every project, ensuring the highest quality results
Partnering with us means fast and effective collaboration designed to meet your unique production needs
QC
Constantly maintained ISO certificates: 9001, 14001, 45001, 27001, 50001
Automated 100% production control during the manufacturing process
In-house testing laboratory located in Sofia
Equipment
A vast park of the most modern and high-performance equipment for fulfilling orders of any complexity, from single items to large-scale production.
Optimal logistical location in Europe
Our production facility is strategically located in Bulgaria, in the heart of Eastern Europe.
This prime location offers unparalleled convenience and efficiency for logistics, ensuring fast and cost-effective deliveries to partners across Europe and neighboring countries
Self-sufficient infrastructure
Reliable Power Supply
connected electrical capacity of 3 MW
Compressed Air and Nitrogen On-Demand
we power our production lines from our own compressor stations and nitrogen generators
Climate-Controlled Workspaces
efficient Heating System by an in-house gas boiler plant. Each production area is equipped with advanced climate control systems
ESD-Protected Zones
safeguarding sensitive electronic components during manufacturing
Where we are located
Head office & Testing laboratory
Sofia, BG -1528
2A Nedelcho Bonchev St.
phone: +359 2 968 6035
info@4s4group.bg
Manufacturing factory
Botevgrad, BG -2140
Industrial zone Microelectronics, st. Eng. Marin Marinov 3
phone: +359 883 688 677