Reliable PCB & PCBA Assembly Services | High-Precision & Zero-Defect - KKPCB
 

PCB Manufacturing & AssemblyPCB Assembly ServicesKKPCB

At KKPCB, we provide comprehensive PCB assembly (PCBA) services combining advanced SMT and DIP assembly lines, full-process quality control, and state-of-the-art testing including X-Ray, AOI, ICT, and functional tests. With extensive experience across medical, consumer electronics, industrial control, and IoT applications, we ensure high-reliability, zero-defect production tailored for custom, small-batch, or lead-free assembly. Our global supply chain, flexible production planning, and integrated ERP/MES/WMS systems guarantee fast, cost-effective, and on-time delivery. Backed by international certifications (ISO, IATF, UL) and strict IPC compliance, KKPCB delivers precision, durability, and consistent performance, supported by 24/7 technical assistance and continuous quality improvement, making us a trusted partner for complex PCB and PCBA solutions worldwide.
https://www.kkpcba.com/wp-content/uploads/2025/09/100-640x360.jpg
https://www.kkpcba.com/wp-content/uploads/2025/09/101-640x360.jpg

PCB Assembly (PCBA) Services

At KKPCB, we offer comprehensive PCB assembly services covering the full production lifecycle—from material inspection to global delivery. Our process is streamlined into four key stages, ensuring high reliability, precision, and zero-defect delivery for your projects.

Incoming Inspection

We perform strict quality checks on all PCBs, components, and materials, while preparing BOMs, production templates, and equipment setup to ensure every assembly starts with accurate, verified, and reliable inputs, minimizing production risk.

Inspection & Testing

We implement AOI, X-Ray, ICT, FCT, and first article inspection to verify every assembly meets strict standards. Any defects are promptly repaired through precision rework, guaranteeing fully functional, reliable boards for all industrial, medical, consumer, and IoT applications.

PCB Assembly

Our advanced SMT and DIP assembly lines handle ultra-small, high-density, and complex components with precision. From solder paste printing, pick-and-place, reflow soldering to DIP/through-hole assembly, we ensure consistent quality and stable performance for all PCBAs.

Packing & Shipping

Finished PCB assemblies are carefully packaged with anti-static, moisture-proof, and shock-resistant protection. Each batch is labeled with traceability codes and shipped via reliable logistics channels, ensuring safe, timely, and secure delivery to clients worldwide.

// Quality AssuranceRigorous Manufacturing Quality Control Process

At KKPCB, we ensure every PCB assembly meets the highest quality standards. From incoming material inspection and in-process monitoring to automated testing, functional verification, and reliable packaging, our rigorous quality control guarantees zero-defect, high-reliability performance for industrial, medical, consumer, and IoT applications.
  • Process Control
  • Testing & Inspection
  • Shipping & Reliability
  • Conduct strict inspection of all incoming materials including PCBs, components, solder, and flux (IQC).
  • Implement in-process quality monitoring (IPQC) throughout SMT, DIP, and soldering operations to ensure each step meets process standards.
  • Utilize AOI, X-Ray, and SPI for automated inspection of solder joints, component placement, and solder paste quality.

  • Perform Functional Testing (FCT) and First Article Inspection (FAI) to verify PCB electrical performance and system functionality.

  • Conduct Outgoing Quality Control (OQC) to ensure proper packaging, anti-static, moisture-proof, and shock-resistant protection.

  • For high-reliability products, perform temperature cycling, thermal shock, vibration, and other reliability tests to guarantee long-term stable operation.

// PCB Manufacturing & AssemblyOne-Stop PCB Manufacturing & Assembly

KKPCB is a leading PCB assembly manufacturer in China. Our team provides high-quality PCB and electronic component assembly services to well-known OEMs worldwide.
We handle projects of any volume — from small-batch and low-volume assembly to basic through-hole technology, standard surface mount (SMT and THT), mixed assembly, and ultra-fine pitch BGA assembly.
We offer short lead times with no minimum order requirements. Our expertise covers complex double-sided PCB assembly, from component sourcing to final product testing.
https://www.kkpcba.com/wp-content/uploads/2024/07/未标题-1-2.webp

PCB Assembly for Medical Ventilator

https://www.kkpcba.com/wp-content/uploads/2024/07/1-2-1.webp

Medical Device PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/1d2ea93e2dd34dd-1.webp

Touchscreen Motherboard Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/1.1-1-1.jpg

Prototype PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/9-5.jpg

High-Frequency PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/41.jpg

Flex-Rigid PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/7-4-1.jpg

BGA PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/8-2-1.jpg

SMT PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/FPC-1.jpg

Flexible PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/22-1-2.jpg

Industrial Control Equipment Box Build Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/未标题-4-1.jpg

Automotive Traction Control PCB Assembly

https://www.kkpcba.com/wp-content/uploads/2024/07/a20fe04dd63276d-1.webp

Energy Storage Module Inverter PCB Assembly

// Our Business PartnersWe Value Our Customers

To provide comprehensive, end-to-end services, we offer everything from PCB manufacturing, component sourcing and procurement, PCB assembly, SMT assembly, quality control, testing, to the final assembly of PCBs and finished products.
1
AVIATA
Yandex
GE
CREEE
Tesla
wistron
Honeywell
Linear
Intersil
NASA
Google

// Industries We ServeFull-cycle Electronics Contract Manufacturing Service Provider

KKPCB is a trusted partner for leading global companies, SMEs, and innovative technology pioneers. We empower businesses to enhance their product value through expert PCB design, high-precision manufacturing, reliable assembly, and rigorous quality assurance. With our full-cycle capabilities, we ensure your electronics projects are delivered on time, defect-free, and with superior performance.
Telecommunication equipment

Telecommunication equipment

Telecommunication equipment

ndustrial automation & control

ndustrial automation & control

ndustrial automation & control

Medical electronics

Medical electronics

Medical electronics

IoT electronics

IoT electronics

IoT electronics

Consumer electronics

Consumer electronics

Consumer electronics

Automotive electronics

Automotive electronics

Automotive electronics

// Our ClientsElectronics Contract Manufacturing – Trusted by Clients in Over 15 Countries Worldwide

As a leading Chinese PCB manufacturing and assembly company, KKPCB provides a diverse range of high-quality printed circuit boards and comprehensive PCB assembly (PCBA) solutions tailored to meet the unique requirements of various industries. Trusted by companies across multiple sectors—including automotive, medical, consumer electronics, aerospace, digital communications, industrial control, smart home, and IoT—our services are recognized for their exceptional reliability, precision, and quality. With advanced manufacturing capabilities, rigorous quality control, and a client-centric approach, KKPCB ensures seamless integration from design and prototyping to full-scale production, helping businesses accelerate product development and succeed in competitive global markets.

A Leading Industrial Electronics Manufacturer

«KKPCB has been our trusted partner for PCB and PCBA solutions in the industrial control sector. From initial design consultation to final delivery, their team consistently provides reliable PCBs that meet the strict requirements of our automation and control systems. The boards deliver outstanding durability, precise signal integrity, and stable performance even under harsh conditions, ensuring uninterrupted operation of critical equipment.

Throughout our collaboration, KKPCB respects our technical specifications while also providing valuable manufacturing insights to enhance performance, reliability, and efficiency. Their rigorous testing, quality control, and engineering support give us full confidence that each PCB performs flawlessly in demanding industrial environments.

Working with KKPCB has been professional and reassuring. Their expertise, attention to detail, and commitment to quality make them a dependable partner for industrial control electronics. I am very satisfied with their service and confidently recommend KKPCB to any company seeking high-quality, reliable PCB manufacturing and assembly solutions.»

https://www.kkpcba.com/wp-content/uploads/2020/11/client-06.jpg

Hollie Neal
Procurement Engineer

A Leading Electronics Manufacturer for Emergency Services

«KKPCB has consistently provided me with exceptionally reliable flexible PCBs, and their work has exceeded my expectations. The boards meet our stringent requirements, successfully withstanding over 4,000 bending cycles while maintaining excellent performance after rigorous testing. My products are medical devices, including components for heart monitoring, cerebrovascular monitoring, and other critical applications. The key factor for us is the superior quality and durability of the flexible PCBs, which are crucial to the performance and safety of our equipment.

Working with KKPCB has been a truly professional and satisfying experience. Their team not only respects the technical requirements of our designs but also offers valuable manufacturing expertise to ensure flawless results. I have greatly appreciated their dedication, attention to detail, and commitment to quality over the years. I am confident in their capabilities and will wholeheartedly recommend KKPCB to anyone seeking high-quality, reliable PCB manufacturing and assembly services. Their partnership has been invaluable, and I look forward to continuing this successful collaboration in the years to come.»

https://www.kkpcba.com/wp-content/uploads/2020/11/client-02.jpg

Johnson
Lead Engineer-Specialist

Agricultural IoT Sensor Equipment Manufacturers in Brazil

«KKPCB has been our reliable partner for PCB and PCBA solutions in the smart agriculture sector. From early design consultation to volume production, their team consistently delivers high-quality boards that meet the demanding requirements of our soil moisture and climate monitoring sensors. The PCBs demonstrate excellent durability, low power consumption, and stable performance under outdoor conditions, ensuring accurate and continuous data collection in the field.

Throughout our cooperation, KKPCB carefully follows our technical requirements while providing valuable recommendations to improve sensor reliability, energy efficiency, and wireless communication stability. Their strict testing processes, advanced quality control, and engineering expertise give us full confidence that each board performs flawlessly in agricultural environments exposed to moisture, dust, and temperature fluctuations.

Working with KKPCB has been smooth and professional. Their technical strength, attention to detail, and dedication to quality make them a dependable partner for IoT sensor development

https://www.kkpcba.com/wp-content/uploads/2024/08/13.jpg

Andreas Müller
IoT Solutions Manager

// Frequently Asked Questions (FAQ)PCB Assembly (PCBA) – Frequently Asked Questions (FAQ)

What is PCB Assembly (PCBA)?
PCB Assembly (PCBA) is the process of mounting and soldering electronic components onto a bare printed circuit board (PCB), making it a complete and functional electronic product.
Do you provide both PCB manufacturing and assembly services?

Yes. KKPCB provides one-stop services, including PCB fabrication, component sourcing, SMT assembly, through-hole assembly, testing, and final delivery.

What files do you need for PCBA quotation?

o provide an accurate quotation, we need:

  • Gerber files for PCB manufacturing

  • BOM (Bill of Materials) with part numbers and quantities

  • Pick-and-Place (Centroid) file

  • Testing requirements (if any)

What is your minimum order quantity (MOQ) for PCBA?

We support prototypes, small-batch, and medium-volume production. MOQ can be as low as 1 piece for prototypes.

What is your standard lead time for PCBA?

Typical lead time ranges from 10–20 working days, depending on:

  • PCB fabrication (3–7 days)

  • Component procurement (3–10 days)

  • Assembly (3–7 days)

Can you provide components, or should we supply them?

Both options are available. KKPCB can source components through authorized distributors (e.g., Digi-Key, Mouser, Arrow) or use customer-supplied parts.

Do you support RoHS and lead-free assembly?

Yes. We comply with RoHS, REACH, and lead-free soldering standards.

Can you assemble high-frequency or special materials PCBs?

 Yes. We specialize in high-frequency PCB (Rogers, Taconic, Megtron, PTFE) and heavy copper PCBs for industrial, automotive, and RF applications.

How do you ensure assembly quality?
  • Automatic Optical Inspection (AOI)
  • X-ray inspection for BGA/QFN components

  • Functional Testing (FCT) upon request

  • Compliance with IPC-A-610 Class 2 & Class 3 standards

What PCB assembly standards do you follow?

We follow several key PCB assembly standards to ensure quality and reliability, including IPC-A-610 for soldering and assembly workmanship, IPC-J-STD-001 for soldering practices, IPC-2221 for PCB design requirements, and ISO 9001 for quality management. Additionally, we adhere to RoHS compliance to limit hazardous materials, IPC-7711/7721 for rework and repair, and IPC-7351 for land pattern design. These standards collectively ensure high-quality assemblies and regulatory compliance.

Do you handle both SMT and Through-Hole Assembly?

Yes. We provide SMT, THT (DIP), mixed-assembly, and BGA rework services.

What industry standards do you follow?

Our PCBA processes meet IPC, ISO 9001, RoHS, and automotive-grade standards (on request).

What testing services do you provide?

We offer:

  • AOI inspection

  • X-ray inspection

  • ICT (In-Circuit Testing)

  • FCT (Functional Circuit Testing)

Do you offer functional testing or programming services?

Yes. We provide firmware programming, functional testing, and customer-defined validation services.

Can you provide conformal coating or box-build assembly?

Yes. We support conformal coating, potting, mechanical assembly, and box-build services for turnkey projects.

How do you package and ship PCBA products?

All boards are packaged with ESD-safe materials, moisture-proof bags, and cushioning foam, then shipped via DHL, FedEx, UPS, or other preferred couriers.

Do you provide warranty for assembled boards?

Yes. We provide a standard 12-month warranty covering assembly workmanship and soldering quality.

How do you handle urgent orders or expedited delivery?

We support expedited production and priority delivery for urgent projects. Lead time can be reduced to 5–7 working days depending on project complexity.

// Fast, Reliable PCBA SolutionsOne-Stop PCBA Solutions – Fast Response to Your Project Needs

// KKPCB Blog

Read Our Latest News

Explore the latest in PCB manufacturing innovations, practical design strategies, and expert insights into assembly processes—along with key updates from the global electronics industry. The KKPCB Blog is your trusted resource for knowledge, expertise, and innovative solutions in the world of printed circuit boards.
About PCB Layer Stackup
About PCB Layer Stackup
PCB Stackup At KKPCB, we are your experts, guiding you through the world of stackup options to ensure your electronic gear is perfectly equipped. Need seamless integration with your design tools? Our impedance models make it easy. Create efficient, impedance-aligned PCB stackups that resist bending and twisting to optimize performance and reliability. PCB layering or stacking is a...
PCB Design Best Practices: Key Considerations for Optimized Performance
PCB Design Best Practices: Key Considerations for Optimized Performance
When designing printed circuit boards (PCBs), a well-structured approach and attention to detail are essential to ensure functionality and avoid potential design errors. Here are some key PCB design tips based on practical experience: 1. Pay Attention to Pin Definitions and Package Names in the Schematic Library When creating the schematic library, ensure that each schematic pin corresponds correctly...
PCB Layout Best Practices: Essential Design Considerations for Reliable Electronic Products
PCB Layout Best Practices: Essential Design Considerations for Reliable Electronic Products
PCB design translates electrical schematics into a functional product, and its quality directly impacts production efficiency and product reliability. For beginners, mastering PCB layout can be challenging despite familiarity with design software, and common issues often arise. Here, seasoned engineers from KKPCB share their PCB layout insights to help avoid these pitfalls and inspire best practices. Component Placement...