Explore our elite portfolio of precision printed circuit board assemblies manufactured under strict global standards.
Precision electronics engineered for environmental agriculture and high-accuracy soil diagnostic tools.
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Mission-critical safety electronics ensuring rapid response and uncompromising reliability in emergencies.
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Automotive-grade wireless communication modules designed for seamless in-car connectivity.
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High-efficiency control modules optimized for modern eco-friendly lighting systems.
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Robust thermal management and power routing for high-intensity commercial LED floodlights.
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Ultra-reliable circuitry powering complex medical and scientific laboratory instruments.
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High-frequency telecommunication boards connecting the world with extreme precision.
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High-current drive controllers engineered for micro-mobility and electric vehicle applications.
View ProductTwo decades of excellence in full-turnkey electronics manufacturing services.
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 wordlwide.
Welcome to visit STHL factory at any time.
Mastering surface-mount technology with state-of-the-art equipment and stringent quality controls.
We can handle a wide range of advanced components, including:
Ball Grid Array (BGA) and Ultra-Fine BGA (uBGA): We have the expertise to handle these complex components with precision, ensuring reliable connections.
QFN, QFP, SOIC, and PLCC Packages: Our advanced equipment tackles various surface-mount package types efficiently.
Package-on-Package (PoP) and Small Chip Packages: "We're equipped to handle even the most intricate components with tight pitch spacing."
But our commitment to quality goes beyond component expertise. We utilize advanced inspection techniques, including AOI and X-Ray inspection, to guarantee flawless assembly.
Robust mechanical bonding and dependable electrical performance for demanding environments.
STHL PCBA also excels in Through-Hole Technology (THT) assembly. Our services encompass:
Manual and Automatic Component Insertion: We leverage both manual dexterity and automation for high-quality component placement.
THT Assembly Fixtures: Our custom fixtures ensure consistent and efficient assembly of through-hole components.
ESD and RoHS Compliant Soldering: We prioritize electrostatic discharge protection and adhere to RoHS compliance, guaranteeing the safety and environmental responsibility of our processes.
Inspection and Functional Testing: Just like SMT assemblies, THT boards undergo rigorous inspection and functional testing before shipment.
Comprehensive electronics manufacturing solutions tailored to scale with your business demands.
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.
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.
Discover additional high-reliability PCBA modules engineered for global deployment.
High-reliability avionics and air data computer circuit board assembly services.
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Advanced medical workstation PCB assembly meeting strict healthcare standard certifications.
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Revolutionizing lighting technology with high thermal performance and optical precision.
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Precision environmental sensor control boards for accurate air quality monitoring.
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Specialized ultra-low noise detection circuitry for safety and nuclear measurement devices.
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Zero-defect life-support electronics manufactured in pristine cleanroom environments.
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Weather-resistant controller assemblies built for continuous outdoor deployment.
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High-density multi-layer motherboard assembly optimized for compact portable computing.
View ProductNavigating the next generation of smart manufacturing and electronics integration.
Integrating machine learning algorithms into AOI and X-Ray systems to predict microscopic solder anomalies before they manifest into field failures, drastically enhancing overall First-Pass Yield (FPY).
Deploying IoT-enabled production lines that communicate in real-time, automating material replenishment, dynamic line balancing, and digital twin simulations for unprecedented efficiency.
Adopting low-temperature soldering compounds, energy-efficient reflow ovens, and zero-waste wastewater recycling to align with global carbon-neutrality mandates.
Ensuring seamless international logistics and uncompromising regulatory adherence.
International Certifications: STHL maintains rigorous quality management systems validated by IATF16949 (Automotive), ISO13485 (Medical Devices), ISO9001 (Quality Management), and ISO14001 (Environmental Management).
Global Supply Chain Resilience: Through strategic partnerships with tier-one semiconductor distributors across North America, Europe, and Asia, we mitigate component shortages and eliminate counterfeit risks.
Localized Technical Support: Our dedicated multilingual engineering team provides round-the-clock DFM (Design for Manufacturability) analysis and rapid-response prototyping.
Expert answers to common queries regarding outsourcing PCBA management to STHL China.
PCBA management encompasses the end-to-end oversight of printed circuit board assembly—from DFM review and component sourcing to fabrication, SMT/THT assembly, and functional testing. Outsourcing to STHL provides significant cost efficiencies, access to advanced 4.0 manufacturing lines, and 20 years of proven turnkey expertise.
We source components exclusively through authorized global distributors and factory-direct channels. Every batch undergoes strict incoming quality control (IQC) inspection, optical verification, and electrical testing to ensure 100% traceability and authenticity.
For rapid prototyping, our SMT assembly lines can deliver functional boards in as little as 3 to 5 business days. Mass production schedules are customized based on volume and complexity, typically ranging from 2 to 4 weeks with dedicated project management support.
STHL operates under strict international guidelines, holding IATF16949, ISO9001, ISO14001, and ISO13485 certifications. All production processes fully comply with RoHS directives and IPC-A-610 acceptability standards.
STHL PCBA