Electronics Manufacturing
From Board to Box

Full-scale PCB assembly, mechanical integration, and box builds — all under one roof in San Jose. Family owned, debt free, and built on 20+ years of Silicon Valley manufacturing.

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    ISO 9001 & 13485 Certified
  
    ITAR Compliant
  
    CMMC Level 1
  
    4 SMT Lines

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20+

Years in Business

4

SMT Assembly Lines

100%

Company-Owned Equipment

0

Debt

What We Do

Full-Service Planning & Manufacturing

01 — Core Capability

PCB Assembly at Scale

Surface mount, through-hole, and mixed technology on four high-speed Juki SMT lines with Kohyoung 3D AOI inline inspection. From prototype through sustained high-volume production.

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02 — Growth Focus

Box Build & Mechanical Assembly

Complete system integration — enclosures, cable assemblies, wiring, sub-assembly, and final test. One facility, one team, start to finish.

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03 — What Sets Us Apart

Engineering & Program Support

Dedicated engineering support throughout your product lifecycle — DFM review, process troubleshooting, and production ramp optimization from first build onward.

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20+ Years of Silicon Valley Manufacturing

Established in 2002, QoSTronics has grown alongside the Bay Area's hardware ecosystem — from the startup boom through today's wave of AI, medical, and defense innovation. We're a family-owned operation that's stayed debt-free and invested in our own equipment, because we believe the best manufacturing partner is one that controls its own process.

Electronics Manufacturing
From Board to Box

20+

4

100%