01
Case StudyIndustrial Control PCBA
18L HDI, 0.35mm BGA, 100% X-Ray, < 20 PPM delivery.
Key Specs
Customer QMS compliant · 50k/mo · PPM<20
OEM Manufacturing
PCBA Manufacturing
SMT · DIP · Wave · 100% AOI + X-Ray
High-speed SMT + DIP end-to-end PCBA manufacturing. Handles 01005 chips, 0.3mm-pitch BGA, QFN, PoP. Full MES traceability with strict compliance to customer QMS and regulatory requirements.
Customer QMS & Regs
Quality Assurance
Dedicated engineer
≤ 48h
R&D + Mfg in one roof
4 R&D / Mfg Sites
Cumulative deliver
500+ projects
Manufacturing quality
Core Advantages
10+ years of HW/SW co-development expertise, with a dedicated engineering pod for every project.
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01NDA-Protected Engagement
Formal NDAs are signed before every engagement — from concept scoping, schematics, and firmware to BOM selection — so customers know their proprietary product roadmaps stay fully confidential.
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02One-Stop R&D + Manufacturing
Electronic product development, MCU/MPU firmware, circuit design, PLC, in-vehicle telematics, industrial automation, post-R&D OEM and box-build assembly — all under one roof with zero hand-off friction.
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03High Q/E/S, Low Cost Tenet
We consistently adhere to the tenet of "High Quality, High Efficiency, High Service, Low Cost, with Continuous Customer Satisfaction" — going all-in on every deliverable to meet and exceed customer needs.
Why choose STS
Service Highlights
- 01
01005 ~ 120mm full-size placement capability
- 02
8-zone reflow · N₂ + vacuum soldering
- 03
3D SPI + AOI + X-Ray + ICT/FCT 100% coverage
At a glanceOEM Manufacturing
01005 ~ 120mm full-size placement capability✓
8-zone reflow · N₂ + vacuum soldering✓
3D SPI + AOI + X-Ray + ICT/FCT 100% coverage✓
Engineer response≤ 48h
Delivery process
Process & Delivery
End-to-end development methodology ensuring predictable and traceable milestones.
Phase 101
DFM Manufacturability Review
50+ manufacturability checks on PCBA Manufacturing BOM / PCB / structural drawings. DFM report issued with joint engineering optimization to avoid production re-spins.
Phase 202
Low-Volume NPI Pilot
First-article (FAI) full-param inspection + 5~50 unit pilot run. SPC analysis, key processes CPK ≥ 1.33 gate before mass production.
Phase 303
High-Volume Stable Production
Full MES traceability. IQC / IPQC / OQC 3-stage QC, 100% in-line inspection at key stations — compliant with customer QMS and regulatory requirements.
Phase 404
After-Sales & Continuous Improvement
8D / 5-Why complaint handling, annual PPAP refresh, monthly DPMO reporting. 1:1 customer engineering counterpart driving PDCA kaizen.
Track record
Case Studies Gallery
Selected production programs — the leap from PoC to millions of units.
2013 → now · 500+ projects
02
Case StudyIndustrial 5G Module PCBA
10L rigid-flex, FR4 + PI, -40℃ thermal cycling storage.
Key Specs
Rigid-Flex · 01005 · 3D SPI
03
Case StudyHigh-Reliability Industrial PCBA
Conformal coating + potting, damp-heat / salt-fog / vibration proven.
Key Specs
Conformal coat · Epoxy potting · IP67
Ready to kick off your project?
PCBA Manufacturing consulting, quotation, or DFx review — 1:1 engineer response within 48h.