Explore our premium electronics manufacturing solutions deployed in aviation, industrial, and smart device applications worldwide.
Providing end-to-end electronics contract manufacturing excellence since 2006.
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.
Unmatched precision in SMT and THT assembly backed by rigorous quality validation.
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 components to finished box-build integration, we deliver turnkey solutions.
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.
Discover our high-reliability manufacturing solutions tailored for medical, automotive, safety, and communication sectors.
A strategic analysis on global electronics procurement, regional manufacturing advantages, and future trends.
Shenzhen remains the global epicenter of electronics manufacturing and supply chain agility. Partnering with an established EMS provider like STHL offers international enterprises unprecedented speed-to-market, cost-efficiency, and deep technical engineering support. Our proximity to tier-1 semiconductor and component markets enables rapid prototyping, minimized lead times, and seamless scaling from low-volume runs to mass production.
In modern electronics manufacturing, supply chain disruption is a primary risk factor. STHL mitigates component obsolescence and allocation challenges through strategic global sourcing networks, stringent vendor qualification protocols, and robust inventory management systems. We ensure complete traceability, verifying that every component is genuine and fully compliant with international standards.
As smart devices, automotive ECUs, and medical systems demand higher performance in smaller form factors, advanced SMT capabilities (such as uBGA, PoP, and ultra-fine pitch placement) are mandatory. Furthermore, stringent certifications like IATF16949 (automotive) and ISO13485 (medical) establish benchmarks that STHL consistently exceeds through automated optical inspection (AOI), X-Ray verification, and comprehensive functional testing (FCT).
Get expert answers regarding our manufacturing capabilities, quality assurance, and global shipping policies.
STHL is fully certified with IATF16949 for automotive applications, ISO13485 for medical devices, ISO9001 for quality management systems, and ISO14001 for environmental standards. All production processes strictly comply with RoHS requirements.
We source electronic components exclusively through authorized global distributors and tier-1 manufacturers. Our incoming quality control (IQC) inspection team utilizes advanced testing equipment to inspect lot codes, packaging integrity, and electrical performance before production.
We deploy a multi-tier testing framework including Automated Optical Inspection (AOI), X-Ray Inspection for hidden solder joints (such as BGA), In-Circuit Testing (ICT), and customized Functional Testing (FCT) tailored to your exact application specifications.
We serve clients across more than 90 regions globally, with primary export markets including the USA, Germany, Italy, UK, Poland, New Zealand, Brazil, South Korea, and Thailand, providing reliable logistics and customs clearance support.
STHL PCBA
