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ESP32-Based IoT PCBA — From Ready Stock to Rapid Mass Production.

Case Study

MTI’s real-world success stories across our full service portfolio: Engineering Services, Electronic Manufacturing Services, PCB Manufacturing, PCB Assemblies, Wire Harness Assembly and Supply Chain Services.
 
Each case illustrates how we partner with customers to overcome technical and production challenges, from early design review and prototype verification to high-volume manufacturing. Backed by our skilled engineering team, advanced production facilities and robust supply chain, we deliver reliable, cost-optimized solutions tailored to diverse industry needs.
 
These projects showcase our strengths in precision PCB fabrication, professional assembly, custom wire harnessing and streamlined supply chain coordination. Browse our cases to see how our integrated one-stop manufacturing model ensures consistent quality, competitive lead times and transparent support. Discover how MTI can turn your design requirements into market-ready products.
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Box Build PCBA Turnkey Solution for Automotive Auxiliary Electronic System
Industry: Automotive Electronics
Scope of Service: Automotive DFM | PCB Fabrication | SMT Assembly | ICT / FCT | Thermal & Vibration Aging | Box Build
Technical Highlights: AEC-Q100 components, high-Tg PCB material, thermal dissipation design, vibration resistance, batch traceability
Telecommunication PCB Assembly Service for Signal Transmission Control Module
Industry: Telecommunication / Network Gateway
Scope of Service: High-Speed DFM | 10-Layer PCB | SMT Assembly | X-Ray Inspection | High-Speed Signal Testing
Technical Highlights: 10-layer high-speed PCB, impedance control, fine-pitch BGA, signal integrity optimization, EMC shielding design
Medical PCBA Prototype & Mass Production for Vital Signs Monitoring Device
Industry: Medical Device / Wearable Health
Scope of Service: DFM / DFT | Rigid-Flex PCB | SMT Assembly | Low-Noise Signal Test | Full QC Documentation
Technical Highlights: High-precision analog front-end, low-noise circuit, rigid-flex PCB, biocompatible surface finish, ISO 13485 quality control
ESP32 & Nordic Dual Wireless IoT Platform for Global Smart Product Development
Industry: IoT / Smart Sensing
Scope of Service: RF DFM Review | PCB Layout Tuning | SMT Assembly | RF Performance Test | Firmware Flashing
Technical Highlights: ESP32 Wi-Fi + Nordic BLE dual radio, RF impedance matching, ultra-low power design, antenna optimization
New Energy PCBA Manufacturing for Energy Storage Monitoring Circuit Board
Industry: New Energy / Energy Storage
Scope of Service: DFM Analysis | Heavy Copper PCB Manufacturing | SMT Assembly | ICT / FCT | Aging Test
Technical Highlights: 6-layer heavy copper PCB, high-current power loop, thermal optimization, overvoltage/overcurrent protection, batch traceability
Industrial PCBA Assembly Solution for Automation Control Equipment
Industry: Industrial Automation
Scope of Service: DFM Review | PCB Fabrication | SMT Assembly | FCT Functional Test | Box Build
Technical Highlights: Wide temperature operation, EMC compliance, 01005 passive components, BGA assembly, conformal coating
Industrial PCB Assembly
Whether you need a few quick turn prototypes or a few thousand production boards, MTI offers one-stop PCB assembly services for your boards at the scale you need.
MTI NPI PCBA prototype
At MTI, we have a team of experienced professionals who can prototype products using the same manufacturing process that will be used for regular production. We use the prototype process to identify and solve any issues, verify designs, and help companies move towards production. We also know the importance of getting products to market fast and we can offer quick-turn prototypes.
TPH Assembly
PCB TPH assembly, also known as plated through-hole assembly, is a method of attaching electronic components to a printed circuit board (PCB) using holes drilled through the board and soldering them to pads on the opposite side. This method is widely used for PCBs that require high reliability, durability, and mechanical strength, such as in aerospace, automotive, and military applications.
MTI Medical PCB Assembly
PCBA boards play a vital role in today’s electronics industry, driving advancements and improvements in various machines. While printed circuit boards find applications in numerous electronic devices like LEDs, water dispensers, and air conditioners, their usage in the medical field stands out as one of the most cutting-edge applications.
New Energy PCB Assembly
We know that designing and manufacturing circuit boards for high-power applications is a challenging task. You need to consider many factors and ensure that your electronics are built correctly. You need a contract manufacturer that has the experience and skills in building PCBAs for high-power applications like this. That’s why you need MTI PCBA.

MTI PCBA has the expertise to handle various service and product sectors that require critical and reliable energy, such as high-voltage power, renewable energy systems, industrial production, transportation, avionics, and more. MTI PCBA is a leader in PCB manufacturing service providers, offering fast turnarounds, efficient prototyping, and on-demand PCBA production. When you partner with MTI PCBA, you can rest assured that your energy application PCBAs will meet the highest standards for quality and reliability.
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 person: Vincent
Tel: +86 186 1703 7035
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