Direct supply of high-grade Printed Circuit Board Assemblies optimized for the demanding regulatory environment and structural specifications of Turkish OEMs.
Istanbul acts as a vital bridge between the European Union's stringent engineering standards and the fast-growing manufacturing sectors of the Middle East and Central Asia. The city's mega-industrial zones—including the Tuzla Organized Industrial Zone (Tuzla OSB), İkitelli OSB, and Dudullu OSB—are home to a dynamic mix of automotive suppliers, defense system integrators, household appliance manufacturers, and IoT hardware developers.
As Turkey advances its initiatives in localizing high-tech manufacturing, the demand for high-reliability Printed Circuit Board Assemblies (PCBA) has surged. Key industries such as automotive electrification (driven by projects like TOGG and local commercial vehicle manufacturers), domestic appliance production (under brands like Arçelik and Vestel), and defense electronics require partners capable of delivering multi-layer board fabrication, complex SMT assembly, and rigorous qualification protocols.
However, many Istanbul-based OEMs and system integrators face structural constraints, including local component allocation issues, volatile supply chains, and high tooling setup costs. This is where strategic cooperation with advanced manufacturing hubs like Shenzhen STHL provides an essential competitive edge.
A trusted EMS partner delivering exceptional engineering capacity, certified facility assets, and global quality control protocols.
Shenzhen STHL is a high-quality provider of electronics manufacturing services (EMS) in China, we serve customers worldwide along the whole industry chain including PCB layout, components sourcing, PCB fabrication, PCBA assembly, cable assembly, box build assembly and comprehensive testing services.
It was established in 2006, with 20 years of experience in electronics contract assembly manufacturing. Currently, STHL has 220+ staff members. Our 10,000 sqm facilities include 7 SMT assembly lines, 2 DIP/THT lines, 2 function testing lines and 2 finished device assembly lines.
At STHL, we provide electronics assembly services for energy power, communications, automotive, medical, consumer electronics, computers & storage, safety & security, commercial and industrial products. Our customers mainly from USA, Germany, Italy, UK, Poland, New Zealand, Argentina, Brazil, Turkey, Korea, Thailand, and the other 90 regions of the world.
As an IATF16949, ISO9001, ISO14001, and ISO13485 certificated electronics assembly manufacturer, we produce products exactly comply with RoHS standard and quality guarantee. Based on our excellent engineering and production capacities in technical areas such as materials analysis & storage, advanced equipment, reliability testing (AOI, X-RAY, ICT test and function test), high effective SMT and THT assembly, we are recognized as a long-term reliable PCBA vendor by more and more customers worldwide.
Combining state-of-the-art machinery and precision craftsmanship to execute complex surface mount and through-hole designs.
We can handle a wide range of advanced components, including:
Our commitment to quality goes beyond component expertise. We utilize advanced inspection techniques, including AOI (Automated Optical Inspection) and 3D X-Ray inspection, to guarantee flawless assembly across every production run.
STHL PCBA also excels in Through-Hole Technology (THT) assembly. Our comprehensive services encompass:
Engineered for high-frequency signal integrity, extreme environmental conditions, and dynamic mechanical stress profiles.
Ensuring operational efficiency, cost-down engineering, and risk-managed delivery schedules for Turkish companies.
Mitigate raw material shortages via STHL's extensive partner networks in Shenzhen and global component distribution channels. Full component traceability and anti-counterfeiting verification are standards for every BOM.
Istanbul industrial firms must conform strictly to European Union directives due to the Custom Union relationship. STHL guarantees 100% compliance with CE markings, RoHS, REACH, and WEEE requirements.
Leverage optimized sea freight lanes to Ambarlı Port (Istanbul) and direct air freight corridors to Istanbul Airport (IST). All shipments are packed in heavy-duty ESD containment with complete export paperwork for simple customs entry.
Offering a complete service suite to take your PCB design from a conceptual prototype to mass assembly and final box-build packaging.
STHL operates 7 automated PCB assembly lines for both prototype and mass production. Advanced SMT ensures precise component placement and quality. Skilled technicians provide efficient THT assembly and RoHS-compliant lead-free soldering.
STHL PCB fabrication service produces high-quality, reliable printed circuit boards from simple singles to complex multi-layers, from flex PCB to rigid-flex PCB, we use premium materials and controlled processes to meet precise specifications.
STHL offer global electronic component sourcing and supply chain solutions. Our vast supplier network and expertise ensure access to genuine, certified parts, mitigating risks of counterfeits, allocation, and long lead times to secure your production schedule.
With the precision manufacturing of cable assembly components including handles, retention systems, connectors, and shielding in a wide range of materials and finishes, we have performed many successful cable assembly for many customers from various industrial applications.
Making your projects at STHL from SMT assembly to box build assembly is very cost-effective and fast to market. Covering everything from putting a PCBA into the enclosure with all functions testing to a complete product assembly packaged and ready for delivery to your customers, we can supply the full support.
STHL conducts functional testing (FCT) to verify product performance, preventing defects such as circuit issues, missing or incorrect components. This ensures delivered products are stable and fully qualified.
Company Established
Manufacturing Base
Automated High-Speed SMT
Experienced Technicians
Engineered for mission-critical operations, domestic smart infrastructure, power distribution, and automotive system integration.
The transformation of traditional manufacturing plants in Kocaeli and Istanbul into smart digital factories requires highly customized, rugged PCBA. Controllers, sensor networks, and communication gateways must operate reliably in environments characterized by electromagnetic noise, dust, and temperature variations. STHL's power supply and communication PCBAs are built with thick-copper traces, conformal coatings, and advanced thermal management to satisfy these demands.
Turkey's automotive cluster is a vital player in global supply chains. As assembly lines transition to electric vehicle (EV) production and advanced driver assistance systems (ADAS), the local demand for automotive-grade PCBA is growing rapidly. To serve this sector, PCBA manufacturers must meet IATF 16949 requirements, which regulate tracing, thermal cyclic endurance, and material quality. Our facility is fully equipped to deliver the high precision required for EV charging units, motor control boards, and power distribution modules.
With Turkey expanding its 5G and fiber network infrastructure, wireless router assemblies, transceivers, and base station control boards must maintain optimal signal integrity. High-frequency RF board assemblies require tight impedance control, high-Tg base materials, and low-loss substrates (e.g., Rogers). STHL's engineering team provides thorough Design for Manufacturability (DFM) audits to ensure that high-frequency signals function reliably without cross-talk or impedance mismatching.
Medical technology requires absolute manufacturing quality. Devices like diagnostic monitors, imaging processors, and laboratory instruments must comply with ISO 13485 standards. STHL supports medical device makers in Istanbul by providing component traceability and rigorous functional testing to ensure that all assemblies meet international safety standards.
Essential sourcing, logistics, and engineering guidance for Turkish electronics companies and global buyers.
Partner with Shenzhen's Premier IATF16949-Certified EMS Team for High-Efficiency PCB Fabrication, Precision SMT, and Box-Build Assemblies.
STHL PCBA
