---
title: EMS, Manufacturing & Supply Chain Resources | Sumitronics
description: Access insights, industry resources, and manufacturing expertise covering electronics production, supply chain trends, and quality best practices.
image: https://sumitronics.com/hubfs/STX_Singlepost_Closing%20Hero%2030+Years_06.24.2026%20(2)-1.png
---

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- [About Us](https://sumitronics.com/aboutus?hsLang=en)
- [Solutions](https://sumitronics.com/solutions?hsLang=en)
- [Manufacturing in Mexico](https://sumitronics.com/manufacturing-in-mexico?hsLang=en)
- [Global Network](https://sumitronics.com/globalnetwork?hsLang=en)
- [Resources](https://sumitronics.com/resources)

[Contact Us](https://sumitronics.com/contactus?hsLang=en)

## Documentation & Resources

### Access our quality management documentation and procurement terms.

- **[Terms & Conditions of Purchase](https://sumitronics.com/hubfs/Sumitronics%20USA%20Inc.Terms%20and%20Conditions%20of%20Purchase%20(Address%20110).pdf?hsLang=en)** [English Version](https://sumitronics.com/hubfs/Sumitronics%20USA%20Inc.Terms%20and%20Conditions%20of%20Purchase%20(Address%20110).pdf?hsLang=en) | [Versión en Español](https://sumitronics.com/hubfs/Sumitronics%20USA%20Inc.Terminos%20y%20Condiciones%20de%20Compra%20(Address%20110).pdf?hsLang=en)Standard terms and conditions governing procurement and purchase orders with Sumitronics USA Inc.
- <https://sumitronics.com/hubfs/MQGR%20001%20R26%20Quality%20Manual%20ISO-IATF.pdf?hsLang=en>**[Quality Manual-IATF 64949:2016](https://sumitronics.com/hubfs/MQGR%20001%20R26%20Quality%20Manual%20ISO-IATF.pdf?hsLang=en)**Our quality management system manual for Sumitronics Manufacturing de México, covering manufacturing standards, process controls, traceability, and compliance protocols.

![STX\_Quality-Certifications\_2026](https://sumitronics.com/hs-fs/hubfs/STX_Quality-Certifications_2026.png?width=900&height=234&name=STX_Quality-Certifications_2026.png "STX_Quality-Certifications_2026")

# Frequently asked Questions

What industries does Sumitronics support?

 We serve automotive, industrial, consumer electronics and medical—with certifications to match regulated industry requirements. 

How is Sumitronics different from other EMS providers?

Sumitronics stands out by combining strong global procurement power with advanced EMS capabilities, backed by Sumitomo Corporation. With integrated systems, full traceability, and a QCD-driven approach, we deliver reliable, cost-effective, and responsive turnkey solutions worldwide. 

Where are your manufacturing locations?

We operate 29 production and operational sites across 11 countries: USA/Mexico, Vietnam, Thailand, Philippines, Indonesia, China (Hong Kong, Shenzhen, Shanghai, Wuxi), Malaysia, India, Czech Republic, and Japan.

Do you offer nearshore manufacturing?

Yes. Our USA/Mexico operations feature a San Diego headquarters and a large-scale manufacturing facility in Tijuana, Mexico—5 minutes from the U.S. border. This delivers low-cost logistics, shorter lead time, competitive overhead, and easy cross-border access for North American customers.

What certifications do your facilities hold?

Our facilities hold ISO 9001, ISO 14001, ISO 13485, and IATF 16949 certifications, along with Customer Green Partner certification—supporting automotive, medical, and industrial compliance requirements.

[![Sumitronics\_LOGO-1](https://sumitronics.com/hs-fs/hubfs/Sumitronics_LOGO-1.png?width=580&height=222&name=Sumitronics_LOGO-1.png "Sumitronics_LOGO-1")](https://sumitronics.com?hsLang=en)

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