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Asunny Circuits

Full feature pcb and Flex pcb manufacturer
PCB & Flex PCB Assembly

Comprehensive One-stop PCB and FPCB Assembly Services

Bare Board Production

With 30 years of experience, we provide a complete range of PCBs, using advanced materials and technologies, fast turnaround, precision manufacturing, and certified quality for demanding applications.

Components Sourcing

Our component sourcing service ensures complete, on-time BOM fulfilment with access to 7M+ parts, expert sourcing, quality assurance, cost savings, and strategic inventory planning.

Assembly

Our assembly service is available for both small-volume and large-volume production. Our featured service is Flex PCB assembly, with 100k pcs of daily production.

Our Assembly Services and Capability

Our advanced PCB assembly services offer high precision, low MOQs, full turnkey support, and certified quality, with capabilities including SMT, THT, ultra-fine pitch, and comprehensive testing for any project size.

 

Board thickness

PCB: ≤3mm FPCB:0.3mm--6mm

AOI Capability

Standard: 0201 Advanced: 01005

Daily Capacity

PCBA:5M points FPCBA:100K Pcs

Board size

PCB max: 400mmx1200mm FPCB max: 2000*450mm

X-ray Capability

Geo: 2000x System:12000x

MOQ

PCBA: 10 sets FPCBA: 10 sets

Min. Component size

01005, 0201, BGA 0.3mm pitch, QFP 0.3mm pitch

Assembly range

PCB/Rigid-flex/Flex/Metal core

Lead time

Small Batch (50-500pcs): 3-5 days Large Batch (≥500pcs): 5-7 days

Min. Component Spacing

Standard: 0.3mm Advanced: 0.2mm

Components sourcing

Turnkey/Kitted/Hybrid

Our advanced SMT production lines

Equipped with 4 reflow ovens, 10 JUKI SMT machines, 1 wave soldering lines, a conformal coating spray line, 10 automatic solder paste printers, as well as X-RAY, AOI, FCT and ICT inspection systems.

Our long-term Partners

End Clients, EMS, OEM & ODM we are working with.

Asunny’s goal is to enhance our partners’ supply chain by establishing long-term relationship and striving to be the most reliable PCB supplier. In the past three decades, we have proven our ability to achieve this goal.

Product showcase

Featured PCBA & FPCBA manufactured by Asunny

We have vast project experience in New energy industry, Battery system, Automotive FPCBA and PCBA

Why Choose Us

Why Choose Asunny For Assembly?

Asunny offers comprehensive One-stop PCB and FPCB Assembly Services

30 years of Experience

With our 30 years of industry experience, we have broad project experience with 300+ end clients.

Premium Quality

Fully certified with ISO9001, IATF16949, RoHS, CE, UL etc. Rigorous testing and quality control for each project.

Full-feature Manufacturer

We produce full-range of PCB and offer in-house assembly services. You can get all your projects produced and assembled one-stop.

24/7 Customer Support

We have service teams in both China and Europe. You will be able to reach out to us anytime through email, phone or Whatsapp.

How it works

PCBA Order Process

With our streamlined process, we give any quotation within 24 hours and large batch production in 15 days

 
1. Submit your RFQ online or through email

Upload or send us your project details including Gerber files, BOM, Placement file, and assembly drawing

2. Quotation and EQs in 24 hours

We will send your our offer and EQs in 24 hours

3. Review and Payment

Review our offer and provide your feedback. After everything is confirmed, you can pay for your order using online payment or direct wire transfer.

4. Quality Check and Delivery

Production will start within 24 hours after payment. Your PCBs and PCBA will go through 100% quality check including AOI, Flying Probe test, E-fixture, Visual Inspection and others. We offer tracked shipping and express shipping (1-3 days air freight). 

Our Services

Order Instructions and templates

Please see below the FAQs and file templates

Required Files

➤BOM files (*required): detailed info needed ➤Gerber files (*required): essential ➤Placement files (*required): essential ➤Assembly drawing: helpful for production

Stencil

➤The starting fee for stencil fabrication is RMB 100 (for 37cm × 47cm); other sizes need a separate quote.
➤Customer stencils will be kept for 3 months; after that period, our company will handle them at our discretion. If you need the stencil returned, please confirm this when placing the order.
➤To ensure product quality, we currently do not accept customer-supplied (external) stencils.

Components

➤For customer-supplied components, please provide extra quantities of consumable components.
➤If there is a shortage of components and some parts do not need to be soldered, please list the details. For any special requirements or precautions, kindly inform us in advance.
➤For components we procure on your behalf (such as chip resistors and capacitors), please provide complete specifications (including package size, voltage rating, etc.).

Need support?

CONTACT YOUR DEDICATED MANAGER FOR SUPPORT

Rebecca Lu, International Sales Manager at Asunny Circuits, PCB industry expert since 2024
Rebecca Lu

International sales manager

Based in Oxford, Rebecca has 2 years of experience in Amazon UK and 3 years of PCB industrial experience. She is fluent in both English and Mandarin.
Xi Yang, Senior Sales Manager at Asunny Circuits, PCB industry expert since 2002
Xi Yang

Senior Sales Manager

Xi has been working in Asunny since 2002. She has rich project experience and deep understanding of the industry. Reach out for Mandarin service.
Lynn Zhu, Sales Assistant at Asunny Circuits, fluent in Korean and Mandarin
Lynn Zhu

Sales Assistant

Lynn has 2 years of industry experience. She studied and worked in Korea for the past 8 years. She is fluent in Korean and Mandarin.
Chao Jun Pu, Engineering Lead at Asunny Circuits, 8+ years PCB engineering experience
Chao Jun Pu

Engineering Lead

Chao Jun has been in the industry for over 8 years and he worked in a few listed companies. He has rich product and project experience.

Quality and Environmental Certificates

Quality & Environmental Certificates of Asunny Circuits, including REACH, UL, RoSH, IATF16949, ISO9001, ISO13485, ISO27001, ISO45001, ISO14001, ISO14064
Common Questions

Most Popular Questions.

If you have any other questions, please contact us for support

To ensure product quality, we currently don't accept boards made externally. We offer one-stop service-from boards fabrication to assembly. 

For standard projects, please provide extra quantities of consumable components.
For samples: an additional 15 pieces of passive components (e.g., resistors and capacitors) are required.
For mass production: please provide 1% extra for backup.) We will give detailed feedback based on your project.

We will need your BOM and production files to evaluate the fastest lead time. Please notice that express service fee will be charged based on your demanded quantity and provided board design.

We can refund your prototyping fee if you proceed to mass production with us. However components fee can't be refunded. Please get in touch with us to learn more about what we offer to our long-term business partners. 

We hold all the essential quality management certificates such as ISO9001. Please check out our certifications at about us section. If there are any issues with your orders, you can always get in touch with you assigned account manager for a product exchange or express repair. 

Lets get your PCB project started!

We are the full-feature PCB & FPCB manufacturer and Assembly services provider

PCB, FPCB, RIgid-flex PCB, EV battery FPCB, PCBA, FPCBA produced by Asunny Circuits, products of Asunny Circuits
Need Help?

Don’t hesitate to contact us for more information about company or service

logo of asunny circuits, a leading pcb manufacturer in China
Headquarter Address:Gangxing Road 128, Jiujiang City, Jiang Xi province, China

Sales Centre: Nanshan CTF centre Room 2603, Shenzhen; 81 St.Clement's Angel Court, Oxford
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