HongKong Longteng Electronic Technology Co., Ltd | Professional PCB Assembly & SMT Processing

About Longteng Group

A decade of excellence in PCB assembly and electronic manufacturing services based in Shenzhen, China.

HongKong Longteng Electronic Technology Co., Ltd is a professional PCB assembly processing plant with over 10 years of experience in the electronics manufacturing industry. Located in Baoan District, Shenzhen — the heart of China’s electronics innovation — our factory delivers high-quality, reliable, and cost-effective PCBA solutions for global clients.

We specialize in one-stop services including PCB design, manufacturing, component procurement, SMT processing, through-hole assembly, functional testing, and final product assembly. Our expertise spans across industries such as medical devices, smart home systems, industrial automation, and consumer electronics.

10+

Years Experience

SMT Lines

Our Services

Comprehensive Electronic Manufacturing Solutions Under One Roof

SMT Processing

High-speed, precision surface mount technology with automated placement and reflow soldering for consistent quality and efficiency.

PCB Assembly (PCBA)

Complete turnkey or consignment assembly services from prototype to mass production with strict quality control.

Component Procurement

Global sourcing of electronic components with verification, counterfeit prevention, and supply chain transparency.

Quality Assurance

RoHS-compliant, lead-free manufacturing with AOI, X-ray inspection, and functional testing to ensure reliability.

PCB Design & Manufacturing

From concept to fabrication — we support full-cycle PCB development with HDI, multilayer, and rigid-flex options.

Testing & Stencil

In-circuit testing (ICT), functional testing (FCT), and custom laser-cut stencils for optimal solder paste application.

Our Products

High-Quality PCB Assemblies for Diverse Applications

Electronic Communication PCB Assembly

High-density interconnect (HDI) motherboard for telecom infrastructure with multi-layer stack-up and impedance control.

Medical Electronic PCB Assembly

Precision assemblies for diagnostic and monitoring devices, compliant with medical safety standards.

Functional Equipment Module

Robust control modules for industrial automation with through-hole and SMT hybrid assembly.

Smart Home Monitoring Camera PCB

Compact, low-power camera control board with Wi-Fi and sensor integration for IoT applications.

SMT Production Line Assembly

Full-line processing using high-speed pick-and-place machines and nitrogen reflow ovens.

Automated Optical Inspection (AOI)

Real-time defect detection using AOI systems to ensure solder joint quality and component placement accuracy.

Laser-Cut SMT Stencils

Precision stencils for consistent solder paste deposition, supporting fine-pitch and micro BGA components.

Turnkey PCBA Solutions

End-to-end service from BOM sourcing to final assembly and testing — ideal for startups and OEMs.

Frequently Asked Questions

What information do I need to send to confirm pricing and start a project?

Please provide your PCB assembly BOM list (or .xls spreadsheet). The BOM needs reference designators, component values, package/dimensions, and preferred suppliers if applicable. Also include Gerber files and assembly drawings.

Are your products RoHS compliant?

Yes, all our lead-free products are fully RoHS compliant. We use environmentally safe materials and processes to meet international standards.

How fast can you deliver a prototype?

We offer quick service — prototypes can be shipped within 48 hours upon confirmation of files and components availability.

Do you offer component sourcing?

Yes, we provide full component procurement services, including sourcing hard-to-find parts and counterfeit prevention checks.

Get in Touch

Ready to start your next electronics manufacturing project? Contact us today.

[email protected]

+86 755 27787876

+86-13662557370

SMT Factory: Building 43, Zone 5, Fuyong Cuigang Industrial Park, Baoan District, Shenzhen, China

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HongKong Longteng
Electronic Technology Co., Ltd