High-Quality PCBA Applications Factories & Factory

Global Leader in Advanced EMS, Surface Mount Technology (SMT), Through-Hole Technology (THT), and Full Turnkey PCBA Solutions across Automotive, Medical, and Industrial Sectors.

โšก High-Performance PCBA Solutions & Factory Capabilities
High-Quality DVR PCB Assembly
High-Quality DVR PCB Assembly--STHL Manufacturer, Factories
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China Solar Street Light Controller PCB Assembly
China Solar Street Light Controller PCB Assembly Manufacturer
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High-Quality Radiation Detector PCB Assembly
High-Quality Radiation Detector PCB Assembly Manufacturer
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China Explosion-proof Equipment PCB Assembly
China Explosion-proof Equipment PCB Assembly--STHL
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High-Quality Smart Display PCBA Assembly
High-Quality Smart Display PCBA Assembly--STHL
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China Soil Detector PCB Assembly
China Soil Detector PCB Assembly Manufacturer, Factories
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High-Quality Safety Inspection Equipment PCB Assembly
High-Quality Safety Inspection Equipment PCB Assembly
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China Flight Control Computer Assembly Service
China Flight Control Computer (FCC) PCBA Assembly
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๐ŸŒ STHL PCBA Market & Services Excellence

Precision Electronics Manufacturing Partner in China

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.
STHL Factory Facilities
2006
Established Year
10,000ใŽก
Advanced Facility
7+2
SMT & THT Lines
90+
Global Regions Served

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.

โš™๏ธ Advanced SMT & THT Technical Capabilities

Expertise in SMT PCB Assembly

We can handle a wide range of advanced components, including:
๐Ÿ”น Ball Grid Array (BGA) and Ultra-Fine BGA (uBGA): We have the expertise to handle these complex components with precision, ensuring reliable connections.
๐Ÿ”น QFN, QFP, SOIC, and PLCC Packages: Our advanced equipment tackles various surface-mount package types efficiently.
๐Ÿ”น Package-on-Package (PoP) and Small Chip Packages: "We're equipped to handle even the most intricate components with tight pitch spacing."
But our commitment to quality goes beyond component expertise. We utilize advanced inspection techniques, including AOI and X-Ray inspection, to guarantee flawless assembly.
SMT Assembly Expertise
THT Assembly Strength

Through-Hole Technology (THT) Assembly Strength

STHL PCBA also excels in Through-Hole Technology (THT) assembly. Our services encompass:
๐Ÿ”ธ Manual and Automatic Component Insertion: We leverage both manual dexterity and automation for high-quality component placement.
๐Ÿ”ธ THT Assembly Fixtures: Our custom fixtures ensure consistent and efficient assembly of through-hole components.
๐Ÿ”ธ ESD and RoHS Compliant Soldering: We prioritize electrostatic discharge protection and adhere to RoHS compliance, guaranteeing safety and environmental responsibility.
๐Ÿ”ธ Inspection and Functional Testing: Just like SMT assemblies, THT boards undergo rigorous inspection and functional testing before shipment.
๐Ÿ› ๏ธ Full Turnkey PCBA Services Portfolio
๐Ÿ”Œ

SMT/THT PCB Assembly

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.

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PCB Fabrication

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.

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Electronic Component Sourcing

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.

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Cable Assembly

With the 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.

๐ŸŽ›๏ธ

Box Build Assembly

Making your projects at STHL from SMT assembly to box build assembly is cost-effective and fast to market. Covering everything from putting PCBA into enclosures with full function testing to complete packaged products.

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Functional Testing

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.

๐Ÿš€ Specialized PCBA Applications & OEM Services
High-Quality Smartphone PCB Assembly
High-Quality Smartphone PCB Assembly--STHL Manufacturer
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China Solar Inverter PCB Assembly
China Solar Inverter PCB Assembly Manufacturers, Service
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China GPS Receiver PCBA Assembly
China GPS Receiver PCBA Assembly--STHL Manufacturer
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High-Quality Body Control Module BCM PCB Assembly
High-Quality Body Control Module (BCM) PCB Assembly
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Electric Scooter Controller PCB Assembly
High-Quality Electric Scooter Controller PCB Assembly
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High-Quality Medical Information Terminal PCB Assembly
High-Quality Medical Information Terminal PCB Assembly
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OEM Laboratory Automation Equipment PCB Assembly
OEM Laboratory Automation Equipment PCB Assembly
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China LED Display Board PCB Assembly
China LED Display Board PCB Assembly--STHL Service
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๐Ÿ“ˆ Industry White Paper: Global PCBA Supply Chain & Manufacturing Trends

๐Ÿญ China Factory Supply Chain Advantage

Operating out of Shenzhen gives STHL an unmatched competitive edge. The regional electronic component ecosystem allows for rapid material sourcing within a 50-kilometer radius, significantly shrinking lead times for prototype development and mass manufacturing.

Our strategic supplier partnerships ensure preferential pricing and verified component authenticity, directly mitigating counterfeit risks prevalent in global open-market procurement.

๐ŸŒ Global Procurement & Localization Support

Serving clients across 90+ countries requires rigorous adherence to regional technical regulations and quality standards. STHL integrates international compliance protocols directly into its production workflows.

From UL and CE compliance requirements in Europe and North America to specialized medical ISO13485 audits and automotive IATF16949 standards, our engineering teams provide localized design-for-manufacturing (DFM) feedback.

โ“ Frequently Asked Questions (FAQ)
๐Ÿ’ก What file formats are required to get an instant PCBA quotation from STHL?
To provide an accurate and rapid quotation, we require Gerber files (RS-274-X format), a Bill of Materials (BOM) containing manufacturer part numbers (MPNs), quantities, and any specific assembly drawings or special instructions.
๐Ÿ’ก How does STHL ensure component quality and prevent counterfeit parts?
We maintain strict traceability by sourcing exclusively from authorized tier-one distributors and franchised component manufacturers. All incoming components undergo rigorous inspection using optical magnification, X-ray testing, and electrical testing.
๐Ÿ’ก What quality certifications does STHL currently hold?
STHL is certified under IATF16949 (Automotive), ISO13485 (Medical Devices), ISO9001 (Quality Management), and ISO14001 (Environmental Management). All manufacturing lines strictly comply with IPC-A-610 standards and RoHS requirements.
๐Ÿ’ก What are the typical turnaround times for prototyping and mass production?
Standard PCBA prototypes can be turned around in as little as 3 to 5 business days depending on component availability. Mass production runs typically range from 2 to 4 weeks based on volume and complexity.