Home - CJPCBA - Top PCB Assembly Manufacturer in China

Your One-Stop OEM PCBA Manufacturing Partner in China

From prototype to production, we solder trust into every board.

Welcome to CJPCBA

Help you easily achieve your electronic product!

CJPCBA was established in 2008 in Shenzhen, China, as a leading turnkey PCBA service provider, we specialize in providing rapid PCB prototype and large volume PCBA production of high-quality and outstanding services to customers worldwide. Our main goal is customer success.

Our manufacturing meets strict standards, certified to ISO9001 and UL, compliant with RoHS, and IPC-A-600 and IPC-A-610.

We taking full responsibility for every customer while offering dedicated 1-on-1 (One customer-on-One technical team) support throughout the pre-sales, in-sales, and after-sales process.

Backed by a dedicated engineer team of 50+ skilled electronics engineers with 10+ years of industry expertise, our factory excels in custom solution. At present, there are 8 SMT lines, 1 fast prototyping lines, 3 DIP lines, 1 final box assembly lines and 1 program&test lines. We have complete facilities, such as 10 temperature zones reflow soldering\SPI\automatic AOI\auto plug-in device\6 temperature zones wave soldering\X-RAY\high speed placement machine which can handle all kinds of complex assembly with high quality requirements.

Our Full Services

Our turnkey services cover all needs from procurement to delivery.

PCB Manufacturing

CJ team deliver high-performance PCB surface finishes, meeting the toughest specs and 24H fast delivery. We have advantage to supply single to multilayer FR4 PCB, Aluminum PCB, Flexible Polymind PCB, Impedance Control PCB, Buried&Blind Holes PCB and etc.

View Our Capability

Component Sourcing

With over 15 years of direct cooperation experience with original chip manufacturers, we can customize the most suitable solution for your products and meet all your pricing requirements.

View Our Capability

PCB Assembly

Optimizing costs through large-scale production and process improvement while maintaining a solder yield of 99.8%. Realizable chip packaging technology DIP, SOP, QFP, PGA, BGA, CSP; 44 million placements/month; minimum size 0.25″*0.25″.

View Our Capability

Our Advance

1-on-1 Service

We taking full responsibility for every customer while offering dedicated 1-on-1 technical team support throughout the pre-sales, in-sales, and after-sales stages. During production, our 1-on- 1 sales will keep you updated of all the progress immediately enable you to master every detail of the production process.

Privacy Protection

Customer design files are confidential information. We strictly protect all information provided by our customers, ensuring your proprietary information is protected from disclosure, all data is secured and encrypted, and we can also sign confidentiality agreement (NDA).

Top Quality Guarantee

100% electrical testing, AOI, IQC, OQC, and X-ray inspection for defect-free PCBs, which meet RoHS, ISO9001 standards and the standards of IPC Class II. We always react immediately if any issue and provide a quick solution. CJ PCBA guarantee the quality, free maintenance and after-sales service for 2 years.

Safe Payment

We prioritize the security of every transaction, to safeguard your financial information and ensure smooth, risk-free payments, we accept T/T bank/Western Union/Paypal/Cash/ALIPAY/WECHAT. Acceptable currencies include RMB, US dollars, euros, HKD, etc.

Fast, Efficient, No MOQ

Generally, our PCB sample take 1-3 days, mass production takes 5-7 days, PCB assembly samples are completed in 10-15 days, and PCB assembly mass production is finished within 15-20 days. Besides, we have one fast sample line for urgent orders.

Worldwide Delivery

Generally, transportation takes 3-7 days. We maintain long-term partnerships with logistics forwarders, enabling us to deliver safe, fast, and cost-effective shipping solutions—including air freight, by sea, door-to-door. We’ll monitor your shipment until it reaches you safely.

Trustworthy China PCBA Factory

We stand as your reliable PCBA partner, committed to turning your electronic projects into reality with efficiency, quality, and trust.

3500+

PROJECTS DONE.

Over 3,500 projects successfully completed—each tailored to client-specific requirements, from prototype to mass production.

65+

COVER COUNTRIES

Our services have reached 65+ countries and regions globally, support to adapt to diverse regional compliance needs.

99%

POSITIVE FEEDBACK

99% positive feedback from clients —built on on-time delivery, strict quality control , and responsive after-sales support.

Your reliable partner in China - CJ Team

Our Certifications And Honor

CJPCB has lS09000,IS014001,ISO13458,UL,RoHS and IATF16949 certifications, etc. In addition, we help with compliance testing for global certifications like CE/FCC/UL/ROHS. This streamlines your path to market access. We have professional quality assurance team and quality control system to ensure the electronic products with quality stability. CJ teams offer high-quality services and make sure you get projects according to the required details.

Working with us will be the best experience for you.

Our PCBA Solutions Across Industries

Our products are widely used in electronics, energy, communications, lighting, electrical engineering
safety protection, electrical appliances, digital home appliances, and more.

Medical Electronics

Ventilators, fascia guns, electrocardiographs (ECG), patient monitors, diagnostic devices.

Industrial Electronics

Robotic arms, industrial controllers, CNC machinery, factory automation systems.

Automotive Electronics

In-vehicle systems, dashcams, reverse parking sensors, navigation devices, automotive control modules.

Smart Home (IoT)

Smart locks, automated curtains, smart switches, home energy management systems.

Military Electronics

Military radar systems, communication equipment, field operation devices. Unmanned aerial vehicles.

Communication Electronics

4G/5G equipment, gateways, routers, base stations, network switches.

Security Electronics

Facial recognition systems, access control panels, emergency lights, CCTV cameras.

Consumer Electronics

Electronic toys, LED lighting, audio equipment, skateboards, wearable devices.

CUSTOMER REVIEWS

Our Testimonials

PCB&Assembly

Everything is good, PCBs work good by now, thank you(Gracias)! To CJ Teams.

PCBA programming,conformal coating,testing.

The boards are prefect, I am really happy to receive my boards, the components are really good!

3D Printing&Injection Molding

I am very pleased to work with you(Sulin)! It feels like you are a professional!

PCB Manufacturing

Uploaded my Gerber files, got a quote in hours, and parts arrived sooner than quoted. Nice.”

PCBA Prototyping& Batch production

I am happy to find you(Jason)!No minimum order hassle, and the soldering looks good, cleanly well.

PCBA and components and modules.

We tested all, PCBs works well, thank you! Michael.

PCB Assembly&Testing

Consistently excellent. Quick responses from Joy.

Frequently Asked Questions

How To Order（Entire Process）

1.Submit Requirement: Please send your relevant design documents (such as Gerber/Bom) and requirements. We strictly protect all information provided by our customers. Send us：sales@pcbcustom.com

2.Received Quotation: You will receive feedback from a dedicated salesperson providing one-on-one service throughout your entire process within 6 hours and a customized quotation within 24 hours.

3.Sign the Contract：After fully understanding the customer's requirements and confirming the price, lead time, payment method, transportation and qualification certification, sign the PI agreement and make prepayment.

4.Production & Delivery：After receiving prepayment, production will be arranged immediately. During the production process, your full-time salesperson will proactively report the production progress to you. Before shipment, detailed photos, test videos and packaging of the products will be taken for your confirmation.

5.After-sales & Repurchase: We will always react immediately if there is any issue and provide a quick solution. CJ PCBA guarantee the quality and after-sales service for 2 years. If everything well, we will welcome further cooperation.

Do you support quick turnaround prototyping services?

Yes, we offer expedited prototyping for urgent needs. Our streamlined workflow, dedicated engineers, and advanced equipment enable rapid turnaround—24–72 hours for standard specs, varying by complexity (e.g., layers, materials).

Share your design files and requirements, and we’ll promptly provide a detailed quote and exact delivery schedule. Send us：sales@pcbcustom.com

Could you confirm my files are secure?

Your files are maintained with complete safety and security. We safeguard our customers' intellectual property throughout the entire process, and all customer documents are never disclosed to third parties. A non-disclosure agreement (NDA) can also be signed to formalize this commitment.

What’s your MOQ?

We have no minimum order quantity (MOQ) requirement. With flexible production capabilities, we efficiently handle both small and large volume orders. Additionally, we operate one dedicated expedited prototyping lines to support rapid turnaround needs.

What service do you have?

We provide one-stop OEM services, including PCBA fabrication, PCB assembly, and component sourcing. Furthermore, we offer additional support such as programming, testing, cable supply, and enclosure assembly. More service pls ask our technical:sales@pcbcustom.com

What regular tests you do to ensure quality?

To ensure PCB quality, we typically conduct rigorous testing using methods such as flying probe testing, E-test, AOI inspection, power-on testing, X-ray inspection for BGA components, first article inspection (FAI), and manual inspection and LED lighting tests on the PCBA.

Besides, Reliability testing is divided into aging testing, vibration testing, collision testing, drop testing, packaging pressure testing, etc. We have corresponding equipment to conduct tests.

1V1 project management

We taking full responsibility for every customer while offering dedicated 1-on-1 technical team support throughout the pre-sales, in-sales, and after-sales stages. The meaning of one-on-one service is that each customer is served by a professional team of ours throughout the entire process: quotation, production, delivery, and after-sales service. You only need to communicate your requirement with us and we will handle everything for you. Send your inquiry: sales@pcbcustom.com

Do you offer firmware uploading to the IC and functional testing?

If your project require programming and functional testing before delivery, our project manager will follow your instruction and the testing workers will be trained to familiar with all steps. And we are proficient in the design of customized functional testers and the production of fixtures.

All programming and testing steps process will be confirmed with you via videos, CJ team will make sure all of your instructions will be listen and followed and our goal is make sure your PCBA 100% pass the test. All defective issues and reasons will be recorded and share with you for further improving action.

Contact Us

Help you easily achieve your electronic product.

Headquarter Address

SEG Plaza 4406A,No. 1002, Huaqiang North Road,Fuqiang Community, Huaqiang North Street, Futian District. Shenzhen

Factory Address

1st Floor, Building H, Tangxi No.2 Industrial Zone, Xijing Road, Gushu, Bao’an District, Shenzhen

Phone

+86-755-85122468

E-mail

sales@pcbcustom.com

Get Free Quote

Our 1-on-1 sales engineer will reply as soon as possible and quote you within one day!