PCB Assembly is one of our main activities. We are able to undertake a high-quality Printed Circuit Board Assembly on competitive prices and flexible conditions. We are a complete “one-stop” resource for printed circuit board assembly, including the SMT assembly, BGA assembly, through hole assembly and soldering assembly, and etc.

SMD placement capacity includes:0201, QFP, QFN, BGA, etc.


Leadsintec Technology Co., Ltd is an electronics manufacturing service (EMS) provider located in Shenzhen, China, and has been operating since 2004.  As an ISO 9001-certified electronics contract manufacturer, we offer a full range of services including, Printed Circuit Board Assembly (PCBA), PCB Component Procurement, Box-Building, Testing, as well as Cable and Accessory services.

Our advantage

Advanced fully automatic production equipment.

6 high -speed SMT lines, 4 plug -in+rear welding lines, 3 packaging/test lines. You can install a small -sized component of 0201, and the accuracy of the paste can reach the positive and negative 0.05mm. Can produce a single layer and multi -layer PCB line board.

20 years production processing experience

Over 300 R & D and production and processing teams provide PCB project services for more than 1,000 companies worldwide. We can provide you with PCB design, PCB assembly, PCB manufacturing, PCB prototype processing and other services.

Have excellent supplier resources

With the long -term cooperation with the original and distributors of the internationally renowned component, support all electronic materials omni -channel procurement. The real genuine and real cost price, we will maximize customer interests.


Leadsintec BOM document

The BOM should include:

• Supplier and Part #
• Reference Designator
• Description
• Package Type (footprint)
The Microsoft Excel format (.xls, .xlsx, .csv, or tab-delimited) is required for the Bill of Materials (BOM).

We need the files in the Gerber RS-274X format.

For assembly, we need at a minimum:
• Silkscreen
• Copper (trace layers)
• Solder paste layers
Preferably, as if you were sending them in for fabrication, you should send us all Gerber files generated by your CAD program.

our services

PCB processing

In the past 18 years, we have accumulated rich experience in the manufacturing and assembly field of PCB, making us a well -known PCB processing company at home and abroad. We have provided PCB services for more than 1,000 global enterprises.

We are good at industrial products PCB manufacturing, car products PCB assembly, agricultural product PCB processing, medical product PCB production, and smart equipment field PCB design.

Being a Printed Circuit Board manufacturer, one of Leadsintec’s main focuses is custom Printed Circuit Board Assembly (PCBA).  We are dedicated to retaining our position as one of the highest quality PCB manufacturers and assemblers in the market, while simultaneously producing custom PCB’s and keeping our prices competitive.

Leadsintec is the one-stop partner for every custom and standard PCBA need, including: Surface Mount Technology Assembly (SMTA), Ball Grid Array Assembly (BGAA), Through-Hole Assembly, and Soldering Assembly.  We also offer our customers a broad range of component placement options, and work directly with our customers to ensure they get exactly what they need.

We also offer many additional services, many of which are areas that we as a company have a reputation for excelling in:

* Lead-free Capability, BGA and SMT Placement
* Electronics Functionality Test
* NO Minimum Order Quantity
* Full Turnkey and Box Build Services

Our factory itself covers a total area of 6000 square meters and employs over 181 individuals, 8 of which are skilled engineers. Our factory consists of 10 general assembly lines, 5 Surface Mound Device (SMD) assembly lines that all utilize our high speed Juki machines, 2 through-hole production lines and 3 through-hole assembly line. All of these stations are are monitored by five project managers and every PCB that leaves our factory is checked by our quality assurance team.

When we complete our customers orders, we have six individuals that ensure that all the finished products are fully equipped with all materials both that we made and that we outsourced, and that the orders are shipped to locations worldwide as soon as possible.

Shenzhen Headquarters Factory

Vietnam Branch Factory


What is FR4 PCB board ?

There are many types of PCB substrate, such as fiberglass board,…

Materials and processes for PCB potting

There is a PCB board in all electronic devices, and the service…

SMT Assembly Process Flow Guide

In the era of rapid development of electronic products, the design…

Get a free quote,Please give me your requirements