Browse our baseline product solutions manufactured under strict OEM regulatory protocols, IATF 16949, and IPC Class II/III standards.
Bridging components sourcing bottlenecks, quality metrics, and lead-time constraints for critical global infrastructure.
Global procurement offices face component obsolescence and supply allocations. STHL provides end-to-end component lifecycle management, alternative component recommendations (BOM scrubbing), and global trace-ability to keep production schedules seamless.
Electronics for automotive, aerospace, and medical fields mandate extreme precision. Our adherence to international frameworks including IATF 16949, ISO 13485, and RoHS directives guarantees that every component assembly meets regulatory parameters.
Pre-production DFM/DFT analysis acts as the backbone of cost reduction. We review layer stack-ups, pad dimensions, trace spacing, thermal relief, and panel margins to prevent expensive engineering modifications during mass production phases.
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:
A deep dive into our core competencies, engineered to reduce time-to-market while safeguarding circuit integrity.
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.
How we tailor electronics manufacturing services to the operational architectures of globally regulated industries.
Automotive environments require resilience against thermal fluctuations, constant vibration, and electromagnetic interference. STHL implements zero-defect initiatives, PPAP reporting, and optical inspection processes for automotive-grade components, ADAS modules, battery management systems (BMS), and vehicle-to-everything (V2X) communication nodes.
Traceability is paramount in class-II and class-III medical instruments. STHL ensures full process logging, tracking component batch numbers, validation matrices, and precision cleanliness controls to support diagnostic monitors, surgical tools, and life support sub-systems.
Industrial IoT and clean energy platforms require heavy copper boards, smart power conversion designs, and wave soldering capabilities. We build thick-copper boards for PV solar monitoring units, EV charging modules, high-power smart display monitors, and factory automation gateways.
Aligning STHL production capabilities with emerging design demands for higher density, lower power, and smart integration.
Integrating automated solder paste inspection (SPI) systems coupled with micro-placement heads to handle 01005 (inch) and sub-0.3mm BGA pitch designs safely.
Moving towards component cavity insertion, hybrid stack-ups, and flexible substrates to reduce device footprints for advanced wearable IoT applications.
Upgrading standard optical lines with deep learning models to predict cold solder joints, bridge defects, and component alignment shifts in real-time.
Implementing low-temperature lead-free soldering profiles, closed-loop water treatment, and zero-plastic shipping lines in conformity with ISO 14001 guidelines.
Ensuring intellectual property protection, regulatory readiness, and rapid communication across time zones.
STHL maintains firewalled network infrastructures and strict Non-Disclosure Agreements (NDAs). Design files and engineering schemes are compartmentalized within secure development servers.
Every PCBA meets RoHS requirements, CE compliance, FCC testing criteria, and UL safety certifications. We help clients navigate complex conformity audits smoothly.
Our localized support engineers bridge regional barriers, providing technical communication, DFM feedback, and shipping updates to customers worldwide.
Addressing the critical compliance, capacity, and lifecycle inquiries of modern OEM procurement buyers.
Explore our industrial-grade, safety-critical, and green-energy assemblies engineered to withstand extreme field parameters.
STHL PCBA
