Quality control is one of the most important factors in industrial electronics manufacturing, whe...
Years of Professional EMS Export Experience
Standardized Electronic Manufacturing Factory
With over 15 years of industry experience, our engineering and production team serves global buyers across Europe, North America, Southeast Asia, Japan, and South Korea. Our 3,000㎡ standardized factory in Ningbo, China enables us to provide reliable, factory-direct PCB and PCBA solutions at competitive prices.
MX-PCBA provides a wide range of electronics manufacturing services, from PCB assembly and custom wire harness production to control box development and complete box build assembly. We work with industrial customers, equipment manufacturers and product developers who need reliable manufacturing partners.
Our PCBA assembly service covers SMT and DIP assembly for different board complexities. We support quick prototypes, small-batch production and volume orders, with quality checks at each stage.
We design and assemble custom control boxes and control cabinets, integrating PCBs, power supplies, wiring terminals, switches, indicators and mechanical components into a complete functional unit.
We manufacture custom wire harnesses and cable assemblies according to customer specifications, including industrial control wiring, equipment internal wiring and connector-based cable systems.
Our one-stop service covers design review, material sourcing, PCBA assembly, wire harness production, control box integration, testing and final packaging. This approach helps customers reduce supplier coordination and improve project efficiency.
What We Do
Smart Pet Feeder Multi-Function PCBA Solution from MX-PCBA This camera-based PCBA solution is designed as the core control unit for new-generation smart pet feeders. It integrates pet appearance recognition, automatic feeding control, pet life record, and food temperature maintenance into a single intelligent control board. With the built-in camera and sensing functions, the system can identify pets, record feeding behavior, and support smart scheduling to provide food according to different pet needs. The temperature control function helps keep food in a fresh and suitable condition, making it ideal for household pet feeders and smart pet care devices. At MX-PCBA, we provide one-stop services including industrial controller PCB design, PCBA assembly, SMT & DIP manufacturing, firmware debugging, prototype verification and mass production. We also support custom CNC enclosures and OEM/ODM modifications. MX-PCBA Industrial Controller PCB+PCBA Design + PCBA One-stop Solution PET feeder multi-function PCBA #PCBA #SmartPetFeeder #PetCare #IndustrialController #PCBdesign #MXPCBA
Running Machine PCBA for Brushless Motor This treadmill control board is a dedicated industrial PCBA solution designed for treadmill motor control and smart exercise equipment. It supports standard treadmill functions including time setting, running speed adjustment, ventilation control and reliable system operation. One of its key advantages is the built-in brushless motor drive capability, which helps deliver smoother operation, lower noise, higher energy efficiency and longer service life compared with traditional brushed motor solutions. At MX-PCBA, we provide industrial controller PCB design, PCBA assembly, component population, inspection, functional testing and final assembly preparation. This makes it a complete one-stop solution for treadmill manufacturers, fitness equipment brands and custom motor control projects. Industrial Controller PCB+PCBA Design + PCBA One-stop Solution Running Machine PCBA for Brushless Motor #PCBA #TreadmillController #BrushlessMotor #FitnessEquipment #IndustrialController #PCBdesign #MXPCBA
Industrial Equipment Control PCBA for Motor, Pump, Valve and Sensor Applications This industrial control PCBA is designed for motor control, pump and valve drive, sensor signal acquisition and industrial automation systems. It integrates multiple control interfaces, signal processing circuits, power management components and peripheral connection functions into a single reliable board. The board can be used in industrial equipment, fluid control systems, water treatment equipment, motor-driven machinery, valve actuators and sensor monitoring devices. It supports stable control signals, reliable input/output operation and long-term performance in industrial environments. At MX-PCBA, we provide industrial controller PCB design, PCBA assembly, component population, inspection, functional testing and final assembly preparation. We also support custom interface design, function modification, OEM and ODM projects according to different industrial equipment requirements. Industrial Controller PCB+PCBA Design + PCBA One-stop Solution #PCBA #IndustrialController #MotorControl #PumpControl #ValveControl #SensorInterface #PCBdesign #MXPCBA
Smart Access Control PCBA for Door Lock, Fingerprint and Face Recognition Systems This round PCBA is a compact control board designed for smart access control applications. It integrates biometric recognition, sensor interface, LED indication, key input and low-power control functions into a space-saving circular layout. The board is commonly suitable for smart door locks, access control panels, fingerprint recognition devices, face recognition terminals, RFID readers and other intelligent security equipment. It supports reliable identity verification, access management, system status indication and low-power operation. At MX-PCBA, we provide industrial controller PCB design, PCBA assembly, component population, inspection, functional testing and final assembly preparation. We also support custom interface design, function modification, OEM and ODM projects for smart lock and access control products. Industrial Controller PCB+PCBA Design + PCBA One-stop Solution #PCBA #SmartAccessControl #DoorLockPCBA #FingerprintRecognition #FaceID #IoTControl #PCBdesign #MXPCBA
Custom Automotive PCBA Assembly Service This batch of PCBA boards is a practical automotive control circuit solution we regularly produce for vehicle electronic accessory manufacturers. Different from general consumer circuit boards, this board is developed and assembled specifically for automotive body auxiliary control systems. The board comes with multiple reserved plug-in ports to match standard vehicle wiring harnesses. On-board SMT components cover complete signal acquisition and circuit drive functions, which can support the basic control logic required for vehicle body accessories. In actual matching applications, this circuit board is mostly used for automobile body small signal control, including vehicle interior and exterior light control, electric window drive control and electric seat simple adjustment control. It also applies to some dashboard auxiliary signal induction modules. We adopt standard automotive-grade component selection and conventional SMT assembly processes for this PCBA. Considering the actual working environment inside the car, we adjust the circuit layout and welding technology to adapt to vehicle vibration and daily temperature changes. No exaggerated technical parameters, just stable and compliant performance that meets the actual assembly needs of automotive aftermarket and finished vehicle supporting projects. We can adjust the circuit logic, interface definition and board size according to customers’ actual product shell structure and functional requirements. Both small-batch prototype verification and formal mass production orders are acceptable. #automotivecontrolcircuitboard, #vehiclebodyauxiliaryPCBA, #carlightcontrolPCBA #carwindowdriveboard #autoseatcontrolcircuitboard, #customautomotivePCBAassembly, #automotiveelectronicboardmanufacturing #AutomotivePCBA #CarBodyControl #AutomotiveElectronics #PCBA #PCBAAssembly #VehicleElectronics #IATF16949 #ElectronicsManufacturing
Compact Wired PCBA Power Drive Control Module This miniature wired PCBA control board is engineered as auxiliary powerswitching and signaldriving unit for embedded equipment integration. Presoldered inputoutput wires simplify assembly inside finished devices, no extra connector required. Built with highquality FR4 substrate, robust MOSFET switching circuit and fullrange protection components, this PCBA delivers stable performance under continuous working conditions for industrial and commercial devices. Key Features: Mini compact form factor, easy embedding inside limitedspace equipment housing Presoldered multicolor harness wires, fast installation for mass production Industrialgrade power switching circuit for smallpower actuator driving Strong antiinterference performance, suitable for automation environment Support OEM & ODM customization: circuit modification, wire length adjustment, component upgrade Strict quality control, compatible with machinebuilder system integration Typical Applications ▪ Industrial automation small machinery peripherals ▪ Solenoid valve & small actuator drive control ▪ Smart home embedded control devices ▪ IoT terminal power switching subboard ▪ Specialpurpose custom equipment secondary control unit #wired PCBA module, compactD driveboard,#industrialcontrolPCBA, #customembeddedPCB assembly, #smallpowerswitchingboard, #machinebuilderauxiliarycontrolboard, #OEMPCBAservice
BLDC Motor Controller – High-Efficiency Brushless Drive Technical Solution Product Introduction Our BLDC Motor Controller is a professional drive control solution developed for brushless DC motors of smart fitness equipment. Different from traditional brushed motor control schemes, this controller adopts advanced FOC field-oriented control algorithm, which realizes high-efficiency, low-noise, and high-stability motor drive. It eliminates carbon brush wear failure, greatly reduces equipment maintenance costs, and improves the overall service life of treadmill equipment. The product integrates high-performance MOSFET power devices, with low on-resistance and low power consumption, achieving excellent energy-saving effects. Core Technical Parameters Parameter Item Technical Specification Technical Advantage Applicable Motor Type DC Brushless Motor (BLDC), Y-type / Delta winding adaptable Strong compatibility, suitable for most treadmill brushless motors Input Voltage Range 12V – 80V wide voltage input Adapt to low and medium voltage fitness equipment drive systems Continuous Output Current 4A – 30A (multiple models optional) Match different power level brushless motor equipment Motor Speed Range 1000 – 4900rpm Meet high-speed and stable operation demand of treadmills Energy Efficiency ≥92% conversion efficiency Ultra-low power consumption, energy-saving and environmentally friendly Working Noise ≤45dB under rated load Ultra-quiet operation, improve user fitness experience Start Mode Soft start, slow start delay 3s (standard) Avoid instant current impact, protect motor structure Heat Dissipation Design High thermal conductivity substrate + intelligent temperature control Maximum temperature rise ≤45℃ under full load Product Features & Application Scenarios Equipped with real-time back EMF detection and intelligent torque regulation function, the BLDC controller realizes non-jitter speed switching and stable torque output. It has complete intelligent protection functions such as over-temperature detection, stall protection and current limit protection. It is mainly used for brushless treadmill drive systems, smart elliptical machines, and other intelligent fitness motor drive equipment, helping manufacturers reduce after-sales maintenance costs and improve product competitiveness. #BLDCMotorController #BrushlessMotorDrive #LowNoiseFitnessEquipment #HighEfficiencyMotorControl
One-Stop Electronics Manufacturing | From Concept Design to Finished Product
Ningbo MingXi Industry and Trade Co., Ltd operates under the brand MX-PCBA, a professional electronics manufacturing service provider serving global small and medium enterprises. We integrate in-house electronic design, PCBA SMT & DIP assembly, custom control box box-build assembly, and industrial wire harness production to deliver complete one-stop manufacturing solutions from customer concept drawing to finished tested products.
Our workshop is equipped with full-automatic high-speed SMT placement machines, reflow ovens, wave soldering equipment, AOI optical detectors, X-Ray BGA inspection machines and independent functional aging test rooms.
All production links are automated to guarantee stable precision and consistent product quality.
Separate functional zones including PCB production area, SMT clean workshop, DIP assembly workshop, wire harness processing workshop, finished product inspection warehouse and raw material storage area.
Clean and dust-free operating environment meets the production requirements of high-precision medical and automotive electronics.
We have obtained ISO9001 quality system certification, RoHS environmental compliance certification, and all production operations strictly implement international IPC manufacturing standards.
All certificates can be provided to customers for project audit and customs clearance.
We adopt standardized production process flow and traceable order management system.
Every batch of PCB and PCBA products retains complete production records, raw material reports and testing data to realize full product traceability.
The integrated factory supports simultaneous mass production of multiple electronic projects, balancing rapid sample trial production and bulk order delivery.
We can stably undertake long-term repeated order cooperation for global brand customers.
Empowering Visualized
MX-PCBA has been a reliable manufacturing partner for our industrial control projects. Their engineering team helped us optimize the design for production, and the final PCBA quality has been consistently excellent.
Mark Thompson
Engineering Manager,From prototype development to small-batch production, the MX-PCBA team has been responsive and professional. Their DFM feedback helped us identify potential manufacturing issues before production.
Rachel Smith
Product Development ManagerWe were looking for a supplier that could handle PCB assembly, wiring harnesses, and box-build assembly under one roof. MX-PCBA provided exactly that and significantly simplified our supply chain.
Michael Johnson
Purchasing Manager