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FR4 two / double layer pcb CEM3 base

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Good quality Flexible PCB Board
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The board quality is very good! We have been WonDa’s customer for more than 4 years. Your good service and quality is too good.

—— Jay

Cooperation is very satisfactory and the Company of the past few years, we are very willing to continue long-term cooperation.

—— Rob

The board quality is very good! I’m surprised with the low cost and quick delivery. It is totally out of my expectation. I will definitely come back.

—— Victoria, Australia

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Double Layer PCB

  • High Precision Double Layer PCB suppliers
  • High Precision Double Layer PCB suppliers



FR4 fiberglass panels, aluminum plate, copper substrate, iron substrate, PTFE, F4B, F4BM, Kangtai Li, CER-10, Rogers, FPC soft board and some other high-precision plate.



Light copper, nickel, gold, tin spray; Immersion Gold, antioxidant, HASL, immersion tin, etc.



Double Layer PCB Leadfree HASL with blue solder mask

- Leadfree HASL Surface finish required to meet ROHS compliant
-FR-4 material with 0.25mm-6mm boards thickness
-Copper weight:1/3OZ,0.5OZ,1OZ,2OZ,3OZ,4OZ,5OZ,6OZ
-3-3mils min track width & spacing -0.2mm min finished hole size
-Certificate: UL,ISO14001,TS16949 and ROHS
-Company management: ISO9001
-Markets: Europe, America, Asia,etc.




electronic products, like

computer peripherals,aerospace,telecommunication,automotives,medicaldevices,camermas,optoelectronic devices,VCD,LCD and verious other comsumer electronic products.

FR4 two / double layer pcb CEM3 base

FR4 two / double layer pcb CEM3 base
FR4 two / double layer pcb CEM3 base

Large Image :  FR4 two / double layer pcb CEM3 base

Product Details:

Place of Origin: shen zhen ,china
Brand Name: WonDa
Certification: CE, ROHS, UL

Payment & Shipping Terms:

Minimum Order Quantity: None
Price: Negotiable
Packaging Details: Vacuum bag + Outer carton
Delivery Time: 5-15 days
Payment Terms: L/C,T/T,Paypal
Supply Ability: 10000 Sq.meter/month
Detailed Product Description
Base Material: FR4,FR1,CEM3,Aluminum,Ceramic Copper Thickness: 1oz~4oz
Board Thickness: 0.5~3.2mm Min. Hole Size: 0.15mm
Min. Line Width: 0.08mm Min. Line Spacing: 0.08mm
Surface Finishing: HASL,Lead Free HASL,OSP,ENIG,Gold Plating Max. Panel Size: 541*647mm(Special Can Do To 950mm)
Finish Hole Size: PTH +/-0.003'' ,NPTH +/-0.002 Number Of Layers: Multilayer
Flame Resistance: 94V-0 High Vlotage Endurance: 1.3KV/mm
PCB Item: PCBA Certificate: ISO 9001 2000;ISO 14001;ISO/TS16949 2002 ,UL E203640
High Light:

two layer pcb


custom printed circuit boards

FR4 two / double layer pcb CEM3 base



fr4 double layer pcb
b.PCB Clone/Copy,Design
d.Turnkey service
e.UL,SGS,RoSH,TS certificate


fr4 double layer pcb


WonDa mainly offers high-precision single-side, double-side multi-layer PCB, LED aluminum PCB, flexible PCB, components procurement and PCB assembly (SMT) service.

We independently research and develop Internet control system, Internet numericalcontrol system, robot control system and produce hardware and software independently for control management etc.. Also supply clients SAS Marketing Automation. Door bell, car alarm, mobile solar charger designed by us is most welcome products


No. PCB Item PCB Specification
1 Layers 1 to 24 layers
2 Max working panel area 457 x 610 mm
3 Min board thickness 4 layer: 0.40mm
6 layer: 0.80mm
8 layer: 1.00mm
10 layer: 1.20mm
4 Min trace width 0.10mm
5 Min spacing 0.10mm
6 Min hole diameter 0.20mm
7 Min Copper thickness in hole 0.020mm
8 PTH size tolerance ±0.05mm
9 NPTH size tolerance ±0.025mm
10 Hole position tolerance ±0.05mm
11 Dimension tolerance ±0.1mm
12 Min solder mask dam 0.08mm
13 Insulation resistance 1E+12Ω (normal condition)
14 Max Board thickness/Hole size Rate 10:01
15 Thermal shock endurance 288 3 times in 10sec
16 Max Board twist and wrap ≤0.7%
17 High Vlotage endurance 1.3KV/mm
18 Copper foil peel off endurance 1.4N/mm
19 Hardness of resist ink ≥6H
20 Flame resistance 94V-0
21 Impedance control ±5%
22 PCB Certificate ISO 9001:2000;ISO 14001;ISO/TS16949:2002 ,UL E203640


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