Explore our top-tier precision printed circuit board assembly solutions tailored for mission-critical applications worldwide.
High-reliability precision PCB assembly designed for medical diagnostic devices and biochemical analyzers.
Mission-critical avionics PCB assembly ensuring extreme reliability under rigorous aerospace standards.
Advanced digital cockpit display assembly featuring high-density component integration and stable performance.
Engine Indicating and Crew Alerting System electronics manufactured with strict aerospace traceability.
Cost-effective, high-volume automated SMT production for commercial and industrial lighting systems.
Robust rigid LED board assemblies optimized for thermal management and long operational lifespan.
Telecommunication electronics built with high-speed surface mount lines for seamless voice data communication.
High-power energy inverter circuit boards engineered for solar, industrial, and power backup solutions.
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.
Welcome to visit STHL factory at any time.
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 raw PCB fabrication to full turnkey box-build assemblies, we provide end-to-end manufacturing excellence.
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, using 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.
With precision manufacturing of cable assembly components including handles, retention systems, connectors, and shielding in a wide range of materials and finishes for 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 PCBA enclosure integration to complete product packaging.
STHL conducts functional testing (FCT) to verify product performance, preventing defects such as circuit issues, missing or incorrect components, ensuring delivered products are fully qualified.
Embracing next-generation manufacturing paradigms to deliver superior value in high-complexity electronics.
As IoT, AI edge computing, and automotive electronics miniaturize rapidly, STHL’s strategic technology roadmap integrates sub-micron placement accuracy, laser direct imaging (LDI), and automated optical 3D SPI/AOI inspections. This guarantees zero-defect execution for ultra-dense PCBA architectures.
Meeting rigorous global industry standards with certified manufacturing processes.
Strict adherence to automotive quality management systems, ensuring fail-safe electronics for vehicle control and infotainment systems.
Cleanroom-standard assembly environments and rigorous traceability for life-saving medical devices and diagnostic equipment.
Eco-friendly manufacturing processes meeting RoHS and ISO environmental standards for industrial automation and power systems.
Leveraging intelligent manufacturing and agile supply chain networks to buffer global disruptions.
STHL's smart factory infrastructure integrates ERP, MES, and IoT sensors to monitor material flow, equipment health, and WIP in real-time. This digital transformation reduces lead times by 30% and ensures absolute transparency for international enterprise clients.
By maintaining strategic partnerships with tier-one semiconductor distributors worldwide, we effectively mitigate component shortages, price volatility, and counterfeit risks.
• Digital ERP/MES integration for end-to-end traceability.
• Dual-source component procurement strategy.
• Automated AI-driven optical and X-ray testing protocols.
• Rapid prototyping-to-mass-production scalability.
Discover more specialized electronic manufacturing solutions designed for telecommunications, automotive safety, and smart hardware.
High-speed video processing circuit board assemblies designed for commercial and industrial security cameras.
Automotive airbag safety control board assemblies manufactured under strict IATF16949 standards.
Fail-safe industrial emergency switch control boards engineered for immediate response and high durability.
Ruggedized electronic controller assemblies built to withstand harsh vibration and extreme industrial environments.
High-precision electronic sub-assemblies for advanced medical imaging and computerized tomography systems.
High-efficiency motor drive and power management control boards for micro-mobility electric vehicles.
Precision satellite positioning module circuit assemblies for high-accuracy navigation and tracking devices.
Advanced RF and wireless communication board assembly designed for seamless connectivity.
Expert insights into our OEM/ODM PCBA manufacturing capabilities, quality control, and global logistics.
STHL is fully certified with IATF16949 (Automotive), ISO13485 (Medical), ISO9001 (Quality Management), and ISO14001 (Environmental), ensuring full compliance with international standards.
We source exclusively from authorized tier-one distributors (e.g., Digi-Key, Mouser, Arrow) and conduct rigorous incoming material inspections, X-ray testing, and electrical verification.
Our robust quality framework includes SPI (Solder Paste Inspection), AOI (Automated Optical Inspection), X-Ray for BGA packages, ICT (In-Circuit Testing), and customized Functional Testing (FCT).
We serve international clients across over 90 regions globally, including the USA, Germany, Italy, UK, Poland, Brazil, South Korea, and more, offering reliable logistics and local support.
STHL PCBA