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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: SZWELLS-OEM
  • Model Number: pcba-7-s2
  • Base Material: CEM-1,CEM-3,Hight TG,FR4 Halogen Free,FR-1,FR-2,Aluminum
  • Copper Thickness: 0.5-5.0oz
  • Board Thickness: 0.2mm-7mm
  • Min. Hole Size: 0.25mm
  • Min. Line Width: 0.075mm(3mil)
  • Min. Line Spacing: 0.075mm(3mil)
  • Surface Finishing: HALS/HALS lead free,Chemical tin,Chemical Gold,Immersion gold Inmersio
  • Assembly: DIP/SMT/BGA
  • Standards: ROHS,UL,SGS,IPC-6012,IPC-A-600H,ISO9001
  • Surface Finished: HASL,Lead Free HASL, OSP,ENIG,Gold plating
  • Copper Feature to Holes Rrgistration: +/-0.003"
  • Min Plated Drills to Copper: 0.25mm, 0.30mm
  • Min. Trace Width Space: 3mil
  • Ring annulus: Min 0.1mm
  • Layer: 2 ~ 30 layers
  • Min. PCB Thickness: 0.35mm
  • Other Service: pcb design and clone

Packaging & Delivery

Packaging Details PCB: Foam and carton
PCBA: Foam and carton in wood case
Delivery Time Sample:5-7 working days,Mass production:7-15 working days
small order  with  lower price pcb and SMT PCB assembly manufacturer
PCB Seivice
PCB Manufacturing Capability

1Base material:SY S1141, S1000-2,KB,AluminumRogers 4003,Hybrid FR4+Rogers,PTFE
3Min line width:4mil(0.1mm)3mil(0.075mm)
Min line space:4mil(0.1mm)3mil(0.075mm)
4Min through hole:8mil(0.2mm)6mil(0.15mm)
5Min blind/burried hole:4mil(0.1mm)NA
Min stacked hole:4mil(0.1mm)NA





Product Description

Qualified 2 - 16 layers 94v0 printed circuit board


KB FR4 raw material with ROHS and UL certificated.

Min 0.2mm plated through holes.

50ohm single end and 100ohm differential impedance control within +/-10% tolerance.

Fast turn service is available, 48 hours for double sided PCB samples, 8 working days for PCB assembly samples.


Company Information

Welcome to Wells!

Shenzhen WELLS Electronic Technology is leading supplier of high quality printed circuit board and related PCB services in China. We specialize in manufacturing and fabrication of flexible, rigid-flexible, single-sided, double-sided and multi-layer rigid printed circuit board up to 28 layers.

You can get below services from Wells Tech:

1.Quick turn PCB manufacture/Fabrication

2.Full Turnkey PCB Assembly OEM/ODM service

3.PCBA prototype and mass production

4.Enclosure/Housing manufacture and assembly

5.Product warranty and After-sale service

No MOQ, small order Prototype sample are welcomed 

15 years PCB experience, 7 years PCBA experience, 6 years Alibaba gold supplier, with full enthusiasm, Wells is looking forward to be your qualified supplier!


How to control the quality of PCB and PCBA?

PCB quality control
ContentIPC controlWells control
Raw materialIPC-4101AIPC-4101A
PCB thickness tolerance+/-10%+/-10%
Bow and Twist0.75%-1.5%0.75%
Impedance tolerance+/-10%+/-10%, test coupon be provided
Circuit short/openNoNo
Conductor width80%80%


Packaging & Shipping

Defalt package: Bubble, foam and K=K carton box.

Customized packaged: Bubble bag, anti-static bag, cardboard, carton box with customized logo.

Our end: Protect your products and save shipping cost as best.


Why US?

 1. We are PCB & PCB assembly manufacturer with 14 years experience.
 2. UL&RoHS&ISO9001 certificated.
 3. 4 times 100% QC inspection before Shipping.

 4. Professional one-stop service release your energy to focus on design and marketing.

 5. We provide a full range of testing services: AOI, Functional Testing, In Circuit Testing, X-Ray for BGA.

 6. Sign NDA to keep your design safe.






1.What file formats do you accept for PCB assembly?

Gerber and CAM Auto CAD DXF, DWG formats.


2.Do you have an order minimum?

We accept order with as low as a quantity of 1 (piece or panel).


3. For small quantity orders, can you produce prototype PCBs?

Yes. WELLS has the capability to produce PCBs in any amount. But,the greater the quantity, the greater the cost savings. 


4. Are my design files secure when I send them to you?

Your files are held in complete safety and security while WELLS  is in possession of them. Your files are never shared nor will any third parties have access to your design files. Since they are your property, we respect the copyright of your files. The customer controls the disposition of these files per your requirements and written approval. 



More details about us, kindly scan website:  www.szwells.com




If you send us your Gerber Files,PCB specifications and BOM,we will quote for you within 12 hours.




A. PCB order: Please provide gerber file and manufacturing specification. Any detail is also welcomed if no gerber file.

B. PCBA order: Please provide gerber file, manufacturing specification and BOM List.

C. Reverse engineering and PCB clone service can be supplied with your PCB sample.

D. Any question, welcome to contact me by sending inquries, your satisfaction is our pleasure! customer visit 




small order  with  lower price pcb and SMT PCB assembly manufacturer 

small order  with  lower price pcb and SMT PCB assembly manufacturer 

small order  with  lower price pcb and SMT PCB assembly manufacturer 











Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

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China (Mainland)
Transaction Level:
Supplier Assessments:
9 Transactions 3,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $40,000
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