01
Case StudySmart Speaker Shell PC+ABS
2K injection + in-mold cut, high-gloss mirror, 0.8mm high-transparency mesh.
Key Specs
2K · High-gloss · 100k/mo
OEM Manufacturing
Shell Injection Molding
Mold Tooling · Injection · Paint · Plating · Print
In-house tooling shop + 10 presses 50T~650T. 20+ materials: ABS / PC / PA66 / PBT / PP / TPE. 2K injection, in-mold gate cutting, over-molding, vertical insert. UV / PU / rubber paint, Al/Ni plating, IML in-mold labeling.
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
50/90/180/380/650T injection press fleet
- 02
Hot-runner · 2K · Over-mold · Vertical insert
- 03
Spray · Plating · E-coat · Laser · IMD/IML
At a glanceOEM Manufacturing
50/90/180/380/650T injection press fleet✓
Hot-runner · 2K · Over-mold · Vertical insert✓
Spray · Plating · E-coat · Laser · IMD/IML✓
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 Shell Injection Molding 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 StudyRugged Handheld PDA Enclosure
PA66-GF30 + TPE 2K over-mold, IP67 waterproof, 1.5m drop test.
Key Specs
IP67 · 1.5m drop
03
Case StudyIndustrial Display Plastic Structural
PC/ABS UL94 V-0, UV paint, 4H pencil hardness.
Key Specs
UL94 V-0 · 4H · 14" tool
Ready to kick off your project?
Shell Injection Molding consulting, quotation, or DFx review — 1:1 engineer response within 48h.