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Air conditioner control system custom pcb board assembly services FR-4 , FR2 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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PCB Board Assembly

  • High Precision PCB Board Assembly suppliers
  • High Precision PCB Board Assembly suppliers






PCB Assembly is a process that requires knowledge not just of PCB components and assembly but also of printed circuit board design, PCB fabrication and a strong understanding of the final product. Circuit board assembly is just one piece of the puzzle to delivering the perfect product the first time.
San Francisco Circuits is a one-stop solution for all circuit board services so we are often entrenched with the PCB production process from design to assembly. Through our strong network of well-proven circuit assembly and manufacturing partners, we can provide the most advanced and nearly limitless capabilities for your prototype or production PCB application. Save yourself the trouble that comes with the procurement process and dealing with multiple components vendors. Our experts will find you the best parts for your final product.


PCB Assembly Services:

Quick-turn prototype assembly
Turn-key assembly
Partial turn-key assembly
Consignment assembly
RoHS compliant lead-free assembly
Non-RoHS assembly

Conformal coating
Final box-build and packaging



PCB Assembly Process

Drilling-----Exposure-----Plating-----Etaching & Stripping-----Punching-----Electrical Testing-----SMT-----Wave Soldering-----Assembling-----ICT-----Function Testing-----Temperature & Humidity Testing


Testing Services

X-Ray (2-D and 3-D)
BGA X-Ray Inspection
AOI Testing (Automated Optical Inspection)
ICT Testing (In-Circuit Testing)
Functional Testing (at the board & system level)
Flying Probe



Surface Mount Technology / Parts (SMT Assembly)
Through-Hole Device / Parts (THD)
Mixed Parts: SMT & THD assembly
BGA / Micro BGA / uBGA
QFN, POP & lead-less chips
2800 pin-count BGA
0201 / 1005 passive components
0.3 / 0.4 Pitch
PoP Package
Flip-chip under-filled CCGA
BGA Interposer / Stack-up
and more…




Air conditioner control system custom pcb board assembly services FR-4 , FR2 base

Air conditioner control system custom pcb board assembly services FR-4 , FR2 base
Air conditioner control system custom pcb board assembly services FR-4 , FR2 base

Large Image :  Air conditioner control system custom pcb board assembly services FR-4 , FR2 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: FR-4,FR2.Taconic,Rogers, CEM-1 CEM-3,ceramic,crockery,Metal,Alumini Copper Thickness: 1/2 Oz Min; 12 Oz Max
Board Thickness: 0.2mm-6mm(8mil-126mil) Min. Hole Size: 0.1mm(4mil)
Min. Line Width: 0.075mm(3mil) Min. Line Spacing: 0.1mm(4mil)
Surface Finishing: HASL / HASL Lead Free, Chemical Tin, Chemical Gold, Immersion Gold PCB Assembly Manufacturer: Print Circuit Board
Control Board For Air Conditioner: Air Conditioner Control System OEM Pcb Board Assembly Air Conditioner Pcb Assembly: High Quality Control System PCB
High Light:

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Air conditioner control system custom pcb board assembly services FR-4 , FR2 base



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2.Soon respond&Fast delivery
4.High Quality Reasonable


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We can prvide a package of service: 


 · 1. PCB layout, PCB design; 

· 2: Make high difficulty PCB(1 to 38 layers) 

· 3: Provide all Electronic components; 

· 4: PCB assembly;  

· 5: Write programs for clients;  

· 6: PCBA/finished product Test. 



Specification for PCB Manufacture:






Numbr of Layer



FR-4,FR2.Taconic,Rogers, CEM-1 CEM-3,

ceramic , crockery

Metal-backed Laminate


High Tg CCL Is Availabe(Tg>=170ºC)

Finish Board Thickness

0.2mm-6.00 mm(8mil-126mil)

Minimun Core Thickness


Copper Thickness

1/2 oz min;12 oz max

Min.Trace Width & Line Spacing


Min.Hole Diameter for CNC Driling


Min.Hole Diameter for punching


Biggest panel size


Hole Positon

+/-0.075mm(3mil) CNC Driling

Conductor Width(W)


+/-20% of original artwork

Hole Diameter(H)

PTH L:+/-0.075mm(3mil)

Non-PTH L:+/-0.05mm(2mil)

Outline Tolerance

+/-0.125mm(5mil) CNC Routing

+/-0.15mm(6mil) by Punching

Warp & Twist


Insulation Resistance




Test Voltage


Panel Size



Layer-layer misregistration

4 layers:0.15mm(6mil)max

6 layers:0.25mm(10mil)max

Min.spacing between hole edge to circuity pqttern of an inner layer


Min.spacing between board oulineto circuitry pattern of an inner layer


Board thickness tolerance

4 layers:+/-0.13mm(5mil)

6 layers:+/-0.15mm(6mil)

Impedance Control


Different Impendance





Detailed terms for PCB Assembly






Technical requirement

1)Professional surface-mounting and Through-hole soldering technology

2)Various sizes like 1206,0805,0603 components SMT technology

3)ICT (In Circuit Test),FCT (Functional Circuit Test ) technology

4)PCB Assembly with VL.CE.FCC.Rohs Approval

5)Nitrogen gas reflow soldering technology for SMT

6)High standard SMT&Solder Assembly Line

7)High density interconnected board place ment technology capacity     



Quote requirement

1)genber file and Bom list

2)clear pics of PCBA or PCBA Sample for us

3)Test Method for PCBA


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