Explore our high-precision, industry-certified 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 worldwide.
Welcome to visit STHL factory at any time.
Years of EMS Experience
Sqm Production Facility
High-Speed SMT Lines
Global Regions Served
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 (Automated Optical Inspection) and X-Ray inspection, to guarantee flawless solder joints and structural integrity on every board.
STHL PCBA also excels in Through-Hole Technology (THT) assembly. Our services encompass:
From rapid prototyping to mass production, STHL delivers end-to-end electronic manufacturing services designed to accelerate your time-to-market.
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 assemblies 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.
Why global tech leaders choose Shenzhen STHL as their long-term EMS partner.
Shenzhen is the global epicenter of electronics hardware. Our proximity to the world's largest component distribution network allows us to source active and passive components rapidly, reducing lead times from weeks to days. We maintain direct relationships with original component manufacturers and authorized distributors to guarantee component authenticity.
Our facility is equipped with state-of-the-art SMT lines, automated optical inspection (AOI), 3D X-Ray, and automatic wave soldering machines. This high level of automation ensures consistent quality, minimizes human error, and allows us to scale production from prototype runs to high-volume manufacturing seamlessly.
By optimizing our internal manufacturing processes, leveraging local supply chains, and maintaining a highly skilled workforce, we offer highly competitive pricing without compromising on quality. Our flexible production lines can quickly adapt to changes in order volume, helping you manage market demand fluctuations.
Adhering to international standards to ensure reliability, safety, and environmental responsibility.
For global enterprises, compliance is non-negotiable. At STHL, we align our quality management systems with the most stringent international standards to serve regulated industries such as automotive, medical, and industrial automation.
How our circuit board assemblies power diverse industries and applications worldwide.
From Vehicle Control Units (VCU) to Anti-lock Braking Systems (ABS), our IATF 16949 certified manufacturing processes ensure that automotive electronics can withstand extreme temperatures, vibrations, and harsh operating conditions.
We manufacture high-reliability PCBAs for solar street light controllers, distributed power generation control systems, and industrial power inverters, supporting the global transition to clean energy.
Our heavy-duty PCB assemblies are deployed in oil and gas drilling equipment, industrial motor controllers, and factory automation systems, ensuring continuous operation in demanding environments.
Staying ahead of the technological curve with advanced EMS capabilities.
As electronic devices become smaller, faster, and more complex, the EMS industry is undergoing rapid transformation. STHL is actively investing in next-generation technologies to meet these challenges:
Answers to common queries regarding our OEM circuit board services, manufacturing capabilities, and quality standards.
Discover our specialized PCBA services for lighting, display, power systems, and safety devices.
STHL PCBA
