Technology & Manufacturing Power - From Precision to Delivery
Company Overview
As a professional EMS provider based in Shenzhen, Shenzhen STHL Technology Co., Ltd. delivers PCB manufacturing, PCBA assembly, functional PCB module integration, and final product assembly services. With advanced equipment, certified processes, and flexible production scheduling, we support customers across industrial control, automotive electronics, medical devices, communication systems, new energy, and consumer electronics (drones, wearables, smart home products).
Factory Capabilities & Core Equipment
STHL operates a 10,000 m² self owned manufacturing facility, staffed with 200+ skilled technicians and equipped with ISO Class 8 cleanrooms (Class 100,000). Every process is safeguarded by full ESD protection, ensuring reliability for sensitive electronics across industries.
SMT & PCBA Manufacturing Capability – High Precision, High Volume, Global Standards
We run 7 fully automated SMT production lines with Panasonic NPM D3 high speed placement machines, each capable of up to 84,000 CPH. This enables high volume PCB assembly services with precision and consistency.
SMT Production & Capacity
|
Capability |
Specification |
Value/Notes |
|
SMT Lines |
Panasonic NPM‑D3 |
7 lines, 84,000 CPH each |
|
Daily Output |
Placements |
14 million placements ≈ 12,000 PCBs (avg. 1,200 components/board) |
|
Monthly Output |
Boards |
Stable 300,000+ (theoretical >350,000) |
|
Line Changeover |
Flexibility |
≤2 hours |
|
Prototyping |
Lead Time |
10–15 days, ≥10 pcs |
|
Mass Production |
Lead Time |
Up to 100,000 boards within 15 days |
|
Urgent Orders |
Extra Capacity |
+60,000 boards/month (when feasible) |
|
PCB Size Range |
Supported |
50×50 mm – 510×460 mm |
|
Component Formats |
Compatibility |
Reel and tray |
Advanced Component Support
|
Capability |
Specification |
Value/Notes |
|
Component Size |
Ultra‑miniature |
01005 (0.4×0.2 mm) |
|
Package Support |
Fine‑pitch BGA/QFN |
Down to 0.25 mm pitch |
|
Placement Accuracy |
Precision |
±40 μm (Cpk ≥ 1) |
|
Printing Accuracy |
Solder Paste |
±0.025 mm |
|
Defect Rate |
01005 Components |
Reflow Process
|
Capability |
Specification |
Value/Notes |
|
Nitrogen Reflow Ovens |
Zones |
12 zones |
|
Oxygen Control |
Reliability |
Typical ≤100 ppm, optional ≤50 ppm |
Inspection & Quality Assurance
|
Inspection Method |
Accuracy/Resolution |
Coverage |
|
SPI (Solder Paste) |
XY <10 μm |
Every line |
|
AOI (Optical Inspection) |
Inline full inspection |
+20% manual cross‑check |
|
X‑Ray Inspection |
5 μm resolution |
100% for BGA/QFN |
|
IPC‑A‑610 Class 3 |
Yield |
>99.9% for medical‑grade PCBA |
THT & DIP Assembly Capability – High Reliability, Industrial Standards
We operate 2 automated THT assembly lines, each integrating SUNEAST 30 meter wave soldering.
THT & DIP Capacity
|
Capability |
Specification |
Value/Notes |
|
THT Lines |
Automated |
2 lines with SUNEAST 30‑m wave soldering |
|
Daily Capacity |
Insertion Points |
500,000 theoretical, 300,000–400,000 stable |
|
PCB Size Range |
Supported |
50×50 mm – 350×120 mm |
|
Complex Boards |
Example |
Intel motherboards, >5,000 pcs/day |
Testing & Conformal Coating
|
Capability |
Specification |
Value/Notes |
|
Functional Testing |
ICT, FCT, Burn‑in |
2 lines, 50 stations |
|
Conformal Coating |
Thickness |
50–200 μm adjustable |
|
Reliability |
Applications |
Automotive electronics (moisture & heat resistance), medical PCBA (dust‑free environments) |
PCB Module Integration & Final Product Assembly
We provide turnkey EMS services, from PCB fabrication and SMT & DIP assembly to functional PCB module integration and final product assembly (Box Build).
|
Service Type |
Capabilities |
|
Mechanical Assembly |
Enclosure fitting, screw locking, thermal interface application |
|
Cable & Harness |
Custom wire routing, connector installation |
|
Firmware & Testing |
Firmware flashing, power‑on checks, interface validation |
|
Packaging & Logistics |
Retail‑ready boxing, labeling, global shipment coordination |
This enables complete delivery of industrial controllers, medical terminals, communication systems, and smart consumer devices, ensuring customers receive ready to market products with consistent quality.
Why Choose STHL?
|
Advantage |
Certification/Capability |
|
Certified Quality |
IATF 16949 (Automotive), ISO 13485 (Medical), ISO 9001/14001, RoHS/REACH compliance |
|
Flexible Manufacturing |
No MOQ, rapid prototyping, urgent order handling |
|
Scalable Capacity |
7 SMT lines + 2 THT lines, supporting both small‑batch and mass production |
|
Global Trust |
Proven track record in delivering high‑reliability PCB, PCBA, PCB modules, and EMS solutions for international clients |
Conclusion & Call to Action
At STHL, our equipment and production capacity are designed around the unique characteristics of your orders. Whether it's small‑batch prototyping for high‑precision medical devices or large‑scale mass production for automotive electronics, we deliver on your core requirements: precision, compliance, and speed.
Contact us today: info@pcba-china.com
7‑hour response, 12‑hour quotation - experience the manufacturing strength of STHL Technology.