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ESP32-Based IoT PCBA — From Ready Stock to Rapid Mass Production.
Customer Challenges
Scaling from prototype to high-volume production is often where electronic products encounter their greatest obstacles.
Companies frequently face inconsistent quality due to fragmented manufacturing processes, resulting in unstable yields and increased production costs. Limited process visibility further complicates quality control and traceability, making it difficult to meet international compliance standards. As production demand increases, many organizations struggle with capacity scalability and process repeatability, leading to delays and operational inefficiencies. Ultimately, the challenge is not just manufacturing—but achieving consistent, scalable, and reliable production at speed.
Solutions
Our Solutions
We provide a fully integrated electronic manufacturing platform designed for precision, scalability, and reliability.
•  Our capabilities cover advanced SMT, DIP assembly, AOI, ICT, and functional testing, ensuring comprehensive quality assurance across every stage of production.
•  We implement standardized processes and digital manufacturing systems to enable full traceability and real-time control.
•  With deep expertise in ESP32-based IoT PCBA, we optimize production specifically for wireless performance and system stability.
•  In addition, we offer full box-build services, delivering complete, assembled, and market-ready products.
Process
Service Process
1
DFM/DFA Review
Ensure design readiness for efficient manufacturing.
2
Process Setup & Optimization
Configure production lines based on product and volume requirements.
3
Pilot Run (NPI)
Validate manufacturing processes and yield performance.
4
Mass Production
Execute large-scale production with strict quality control.
5
Quality Inspection & Testing
Multi-stage inspection including AOI, ICT, and functional testing.
6
Assembly & Integration
Complete system assembly and product integration.
7
Packaging & Delivery
Customized packaging and global logistics support.
Advantages
Why Choose Us
MTI case
Case Study


Certificates
ISO9001:2015
Quality Management System Certification
UL-Product-iQ®
UL Certification for Printed Wiring Boards (UL796)
ISO13485:2016
Medical Devices Quality Management System
GB/T19001-2016 / ISO9001:2015
Quality Management System Certification

FAQ

1
What production range do your EMS services cover? Prototype or mass production?
We cover full stages: small batch prototypes, pilot runs and high-volume mass SMT assembly for IoT PCBA.
2
Can I supply my own components for PCBA assembly?
Yes. We support consigned, partial or full turnkey assembly. We will conduct incoming QC for customer-provided parts before production.
3
What quality inspections are carried out during PCBA manufacturing?
We implement AOI, X-ray inspection for BGA/fine-pitch chips, visual inspection and final functional testing before shipment.
4
What is your typical lead time for PCBA orders?
Prototype orders normally take 7–14 working days. Mass production lead time depends on BOM availability and order volume, we will confirm schedule during quotation.
5
Do you provide box-build assembly besides bare PCBA?
Yes, we offer integrated box build services including cable assembly, housing fitting and final product assembly.
Contact Us
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Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
Build your next product with us!
We work with companies of all sizes to build world class products.
Let us design your solution
MTI is one of the world’s top PCB board turnkey PCB assembly manufacturers, and  the world leading EMS PCB manufacturer specializing in Schematic design, PCB layout, firmware development, printed circuit board, PCB assembly, PCBA prototype and Box Build.
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Contact Us
Contact person: Vincent
Tel: +86 186 1703 7035
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