About Us - China Components Sourcing Manufacturers Suppliers Factory

About STHL

For over 20 years, STHL Technology has been a trusted EMS manufacturer, providing custom PCB and PCBA solutions to industries worldwide - including industrial automation, automotive, medical devices, telecommunications, renewable energy, and consumer electronics.

We guide clients through the entire product lifecycle: component sourcing, PCB design, rapid prototyping, small batch trial runs, seamless scale up to high volume PCBA production, strict quality control, final assembly, logistics, and after sales support.

Manufacturing Capacity

Our advanced facility ensures precision, compliance, and scalability:

Facility: 10,000㎡ site with over 200 professional staff and an ISO Class 8 cleanroom
SMT Lines: 7 Panasonic NPM D3 high speed SMT lines (01005 components, ±40μm placement accuracy)
Assembly & Test: 2 THT assembly lines and 2 functional testing lines
Throughput: Daily capacity of 14 million placements, shipping over 300,000 boards monthly

From 01005 components to complex multi layer PCBs, our lines are optimized for reliable PCBA manufacturing at any scale.

Why Global Brands Choose STHL

Partnering with STHL means choosing more than a manufacturer - it means choosing a proven EMS partner trusted worldwide.

Experience & Certifications

20+ years serving diverse industries
Certified to ISO9001 (quality management), ISO14001 (environmental management), ISO13485 (medical compliance), and IATF16949 (automotive compliance)

Flexibility & Quality Control

Scalable manufacturing: No minimum order quantity, rapid prototyping, small‑batch trial runs, and seamless expansion from samples to mass production
Traceable quality: MES + IPQC + QA tracking across the full process, with detailed reports available for IQC, SPI, first‑article inspection, AOI, X‑ray, ICT, FCT, and OQC

Global Trust & Delivery

Delivering to 60+ countries with long‑term partners including Littelfuse, Corsair, Fanatec, and Schneider Electric
98.7% on‑time delivery rate, supported by secure inventory and authorized supplier partnerships
NDAs available upon client request

Our Clients

Comments from our Clients

Leading companies across Europe, the US, and Asia share how STHL helped them accelerate innovation.

A German medical device company successfully launched its oximeter in European pharmacies thanks to STHL's small batch flexibility and PCB optimization.

Medical

Europe

A US wearable startup avoided costly rework when STHL's DFM analysis fixed three pad issues and delivered prototypes in just 12 days - three days faster than expected.