Explore our diverse portfolio of high-precision printed circuit board assemblies engineered for mission-critical applications.
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.
From ultra-fine pitch BGAs to robust through-hole components, our manufacturing lines deliver unparalleled precision.
We can handle a wide range of advanced components, including:
But our commitment to quality goes beyond component expertise. We utilize advanced inspection techniques, including AOI and X-Ray inspection, to guarantee flawless assembly.
STHL PCBA also excels in Through-Hole Technology (THT) assembly. Our services encompass:
From design verification to final product packaging, STHL provides a complete turnkey EMS solution.
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 offers 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.
Customized electronic manufacturing strategies tailored to meet the stringent standards of diverse sectors.
Adhering strictly to IATF 16949 standards, we manufacture high-reliability automotive PCBA including millimeter-wave radars, ADAS controllers, and infotainment head units. Our processes ensure thermal stability and vibration resistance.
Certified under ISO 13485, we provide PCBA for electronic medical record management systems, diagnostic devices, and patient monitoring equipment. We implement complete component traceability and rigorous functional testing.
From smart home gateways and hubs to video doorbells and motion detectors, we support high-volume consumer IoT production with optimized DFM (Design for Manufacturing) to reduce costs and accelerate time-to-market.
We build ruggedized control systems, wastewater monitoring equipment, and noise monitoring devices designed to withstand harsh environmental conditions, chemical exposure, and electrical noise.
Our capabilities extend to energy-saving lamp control modules, smart grid communication boards, and power distribution controllers, focusing on high-efficiency thermal management and power conversion.
Providing high-frequency, multi-layer PCB solutions for network routers, smart gateways, and wireless communication modules, ensuring low signal loss and high electromagnetic compatibility (EMC).
Located in Shenzhen, the global epicenter of electronics innovation, STHL leverages a highly integrated local ecosystem. This geographic advantage allows us to source raw materials, specialized components, and custom enclosures within hours rather than weeks.
Our Factory 4.0 initiatives integrate real-time MES (Manufacturing Execution System) tracking, automated component storage, and smart reflow ovens. This digital infrastructure minimizes human error, optimizes energy consumption, and provides complete traceability for every production batch.
By combining automated SMT lines with flexible manual DIP lines, we offer the agility required to scale from rapid prototyping to high-volume mass production seamlessly. Our resilient supply chain mitigates risks associated with component obsolescence and market volatility, keeping your production schedule secure.
Navigating international trade compliance, environmental standards, and quality certifications is a core strength of STHL. We ensure all products comply with RoHS and REACH standards, minimizing environmental impact and ensuring smooth customs clearance in European and North American markets.
Our global procurement team works directly with authorized distributors (Arrow, Avnet, Future Electronics, Digikey, Mouser) and original component manufacturers. This direct channel guarantees the authenticity of active and passive components, eliminating the risk of counterfeit parts entering the assembly line.
For our international clients, we provide comprehensive DDP (Delivered Duty Paid) shipping solutions, handling all import duties, customs documentation, and localized logistics. We act as your local manufacturing partner, offering seamless communication across multiple time zones.
Adapting to the next generation of electronic design with advanced manufacturing technologies.
Upgrading our SMT lines to support 01005 component placement at scale and expanding our multi-layer HDI fabrication capabilities up to 32 layers to meet the demands of 5G and AI edge devices.
Integrating AI-based defect detection algorithms into our AOI and Solder Paste Inspection (SPI) systems to reduce false call rates and proactively identify process drifts before defects occur.
Transitioning to 100% halogen-free PCB fabrication options and installing next-generation nitrogen reflow ovens that reduce energy consumption by 25% while maintaining optimal solder joint quality.
Get answers to common queries regarding our PCB fabrication, assembly, and sourcing capabilities.
STHL is fully certified under IATF 16949 (Automotive), ISO 13485 (Medical Devices), ISO 9001 (Quality Management Systems), and ISO 14001 (Environmental Management). All our assembly processes comply with RoHS and REACH standards.
Yes, our 7 automated SMT lines and dedicated DIP lines are designed to handle high-mix low-volume prototypes as well as high-volume mass production. We offer rapid NPI (New Product Introduction) services to validate your designs quickly.
We source components exclusively from authorized distributors (e.g., DigiKey, Mouser, Arrow) and original manufacturers. Additionally, we perform incoming inspection using X-ray testing and component parameter verification to eliminate counterfeit risks.
We provide a complete suite of testing services, including Automated Optical Inspection (AOI), X-Ray inspection (for BGA and leadless packages), In-Circuit Testing (ICT), and Functional Testing (FCT) tailored to your specific product requirements.
Discover our specialized assemblies for consumer electronics, smart home gateways, and industrial control systems.
STHL PCBA
