Your Partner in Prototyping and Production
Custom PCBA, On Demand Manufacturing
Get high-quality PCBA, fast delivery, and professional engineering service from an experienced manufacturer
Our Capabilities
LST provides various of manufacturing capabilities to support our customer from idea to product. We have high-efficincy factory and a reliable network, we are not only deliver high-quality component but also pass satisfaction to clients.

PCBA Assembly
PCBA assembly is the process of mounting electronic components onto a PCB, creating reliable, functional circuits essential for modern electronic products.
- Layers: 1-42 layers
- PCB Thickness: 0.3MM-4MM
- PCB Size: L*w:50*50–510mm*460mm

PCB Design
PCB design creates the circuit layout, structure, and routing that define how electronic components connect and function within an electronic device.
- Typically Tooling: 30 days
- Typically injection molding: 3 days
- 1 to 1M pcs

PCB Manufacturing
PCB manufacturing transforms a circuit design into a physical board through layering, drilling, plating, and finishing to ensure durability and reliable electrical performance.
- Typical leading time 3 days.
- Typically +/- 0.15mm or +/-0.006 inch
- State-of-the-Art Technologies

Procurment
We provide reliable electronic component sourcing with verified quality, fast delivery, and full support to ensure stable, cost-effective supply for your projects.
- Tolerances as tight as ±0.2 mm
- Machined parts lead time 1 day
- Max Size: 1400x700x500mm

Box Building
We provide complete box-building services, including assembly, wiring, testing, and enclosure integration to deliver fully finished, ready-to-deploy electronic products.
- Wall Thickness 0.8 mm
- Machined parts lead time 4~5 day
- Minimum Possible Batch 1000 pcs

Prototype Assembly
Leadsintec provides fast, reliable product prototype assembly services, ensuring high-quality builds for testing, validation, and accelerated time-to-market.
- Tolerances as tight as ±0.05 mm
- Wall Thickness 1.5mm~2.5mm
- Quantitites 25 copies per mold
How to Work With Us
“To begin, simply select a service and upload your .stp file.
Upload files
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Our Goal
Delivered
Important
About Us
“We are Shenzhen Leadsin Technology Co.Ltd”
Leadsintec is a full-service EMS provider, delivering end-to-end solutions from PCB layout and manufacturing to PCBA, product design, component sourcing, SMT, DIP assembly, and final testing.
Backed by extensive manufacturing expertise and a highly skilled technical team, we provide reliable PCB and PCBA services to customers worldwide.
Our solutions span a wide range of industries—including automotive, medical, industrial control, communications, IoT, and consumer electronics—ensuring outstanding quality, strict reliability, and competitive pricing.
Application
Our PCBA products are trusted across diverse industries for their superior quality and dependable performance, making them an essential component for many enterprises.
New Energy
Security & Defense
Communication
We simplify the manufacturing of communication devices, offering competitive pricing.
Agriculture
Blog
Providing you with new insights to help you improve your business

What is star grounding in PCB design?
When designing printed circuit boards (PCBs), grounding is critical. A common approach is star grounding. But what exactly is star grounding? Why is it crucial for your PCB design? Let’s break it down.

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