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Professional PCBA & EMS Manufacturing Solutions

Delivering superior quality, fast turnaround, and turnkey service for Industrial, Medical, New Energy, and Automotive electronics with full IP protection and ISO certifications.

ISO9001 | ISO13485 | IATF16949
Fast Turnaround
IP Protection
Explore Our Solutions

About GrandTop Electrical

Shenzhen Grandtop Electronics Co., Ltd. is a leading provider of PCBA (Printed Circuit Board Assembly) and EMS (Electronics Manufacturing Services) solutions. With years of experience in electronics manufacturing, we serve global clients in industrial automation, medical devices, new energy, automotive, smart home, and financial technology sectors.

Our commitment to quality, innovation, and customer satisfaction has earned us certifications including ISO9001, ISO13485, and IATF16949 — ensuring compliance with international standards across industries with strict regulatory requirements.

15+
Years Experience
50+
Global Clients
GrandTop Factory

Our Core Service Areas

We specialize in high-reliability PCBA solutions across multiple industries, backed by full turnkey manufacturing and engineering support.

Industrial PCBA

Control boards, motherboards, automation systems

Medical PCBA

Diagnostic, monitoring, and treatment devices

New Energy PCBA

Solar, EV charging, energy storage systems

Automotive PCBA

ADAS, infotainment, powertrain control

Smart Home PCBA

IoT devices, sensors, connected appliances

Financial PCBA

POS terminals, ATMs, payment systems

EMS & ECM

Full product assembly & cable harness

PCB Design

Circuit design, layout, firmware development

Featured Products & Solutions

From concept to production, we deliver reliable, high-performance electronic assemblies for diverse applications.

Medical PCBA

Medical PCBA

High-reliability assemblies for diagnostic and patient monitoring equipment. ISO13485 compliant with full traceability.

  • • IPC Class 2/3 standards
  • • Cleanroom assembly
  • • Full functional testing
Industrial Control Board

Industrial Control Board

Robust PCBAs for automation, robotics, and industrial machinery with wide temperature tolerance.

  • • Conformal coating available
  • • Vibration & EMI resistant
  • • Long lifecycle components
Charging Pile Control Board

Charging Pile Control Board

Designed for EV charging stations with high power management and safety compliance.

  • • High-voltage isolation
  • • Overcurrent protection
  • • Smart communication protocols
Kiosk Control Board

Kiosk Control Board

All-in-one solution for self-service kiosks in retail, banking, and government applications.

  • • Multi-interface support
  • • Remote monitoring ready
  • • Secure boot & encryption
Smart POS Terminal

Smart POS Terminal

Payment-ready boards with PCI compliance, NFC, and secure transaction processing.

  • • PCI PTS 6.x compliant
  • • Tamper detection
  • • Fast transaction processing
Food Equipment Controller

Food Equipment Controller

Designed for commercial kitchen appliances with moisture and heat resistance.

  • • IP65 enclosure options
  • • Stainless steel housing
  • • Easy cleaning design

Cable Harness

Custom wiring solutions for complex electromechanical systems with full testing.

  • • AWG 28 to 10 supported
  • • Molded connectors
  • • EMI shielding options

PCB Design Services

Full turnkey design from schematic to production-ready Gerber files.

  • • Altium Designer & Cadence
  • • Signal integrity analysis
  • • DFM/DFT optimization

Advanced Manufacturing Capabilities

State-of-the-art facilities and rigorous quality processes ensure consistent, high-performance results.

Technical Specifications

  • BGA minimum diameter: 0.23mm
  • BGA ball pitch: 0.4mm
  • IPC-A-610 compliant assembly
  • Single to multilayer & HDI boards
  • Blind and buried vias supported
  • Conformal coating & potting

Quality Assurance

  • SPI, AOI, X-Ray inspection
  • ICT, FCT, and burn-in testing
  • RoHS and REACH compliance
  • Full traceability & lot control
  • 100% functional testing
  • 2-day complaint resolution

Why Choose GrandTop?

Superior Quality

Automated SMT lines, full inspection (SPI, AOI, X-Ray), and aging tests ensure reliability.

Fast Turnaround

24-hour response, urgent order prioritization, and rapid prototyping available.

Turnkey Service

From component sourcing to final assembly and testing — one-stop solution.

IP Protection

Strict NDA policies, secure data handling, and proven track record.

Get in Touch

Ready to start your next project? Contact us today for a quote or technical consultation.

Contact Information

  • 2~3/F, Building 15, Hualun Technology Park, No161 Fenghuang Xingye Road One, Fuyong town, Bao'an District, Shenzhen, China
  • +86 755 27326930
  • +86 755 27326305
  • sales@grandtop-electrical.com

Connect With Us

Visit our official website for more information, product catalogs, and support resources.

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