China PCB Manufacturing and Assembly House with High Capablities

Winow PCB Advanced Special Capability

item capability
Layers 1-30
Thicker Copper 1-6OZ
Products Type HF(High-Frequency)&(Radio Frequency) board, Impedance controlled board , HDI board ,BGA& Fine Pitch board
Solder Mask Nanya&Taiyo ;LPI & Matt Red, green, yellow,white, blue,black.
Base material FR4(Shengyi China、ITEQ, KB A+,HZ), HI-TG, FR06, Rogers,Taconic、Argon and so on
Finished Surface Conventional HASL,Lead-free HASL,Falsh Gold, ENIG (Immersion Gold)OSP(Entek), Immersion Tin,ImmersionSilver,Hard Gold
Selective Surface 
ENIG(immersion Gold)+OSP, ENIG(immersion Gold)+Gold Finger,Flash Gold +Gold Finger, immersion Silver+ Gold Finger, Immersion Tin+Gold Finger   
Technical Specification Minimum line width/gap:3.5/4mil(laser drill)
Minimum hole size:0.15mm(mechanical drill)/4mil(laser drill)
Minimum Annular Ring: 4mil
Max Copper thickness: 6OZ
Max Production size:900×1200mm
Board Thickness:D/S: 0.2-7.0mm, Multilayers:0.40-7.0mm,
Min Solder Mask Bridge:0.08mm
Aspect ratio: 15:1
Plugging Visa capability: 0.2-0.8mm
Tolerance Plated holes Tolerance:0.08mm(min±0.05)
Non-plated hole tolerance:0.05min(min+0/-0.05mm or +0.05/-0mm)
Outline Tolerance:0.15min(min±0.10mm)
Functional test :
Insulating resistance : 50 ohms (mormality)
Peel off strength: 1.4N/mm
Thermal Stress test :2650c,20 seconds
Solder mask hardness:6H
E-Test voltage :500V+15/-0V 30S
Warp and Twist: 0.7% (semiconductor test board≤0.3% )


   One Stop PCB assembly Sevice Winow SMT Capability

It will be a great pleasure to receive your inquiries for any of PCBA service   against which we can offer competitive price with high quality&fast   delivery.
To get started, the estimated price is available by submitting the basic   specification of your project through the Online calculation page.
If your PCB Assembly requirements are beyond the below listed   techniques,please contact us at e-mail, we will make fast   response to your inquiry with a farm answer within 24 hours.

Winow Assembly Capability

 Flexible assembly service

PCB fabricating flexility

We   are able to fabricate 1-16 layers PCB, if your PCB technology is beyond our   manufacture capacity, it will be outsourced to our partner stability factory   with high quality.

part supply flexility


We   source all components for you from authorized components supplier or   distributors.

Partial Turn-key

Customer   offer partial of components as they prefer and we will source the rest as   required.


Components   can be supplied by the customer,we accept parts in Reels, Cut Tape, Tube   & Tray, Loose Parts and Bulk

assembly flexility

assemble   type

SMT,THT   &Hybrid, single or double side placement.


Offer   Laser-cut stainless steel stencil.

Solder type

Offer   both lead&lead-free (RoHS Compliant) assembly services.

board type

Rigid   board, flex board&rigid-flex board.

PCB or Panel Size

Min   board size of 10*10mm, will be panelized to suit the SMT machine
    Max board size of 330*530.

board shape

No   restrictions for rectangular, Circular and any Odd Shapes, will adjust the   panelize for better placement.


Passive   components as small as 01005, 0201,0402
    Active components from 0,25mm pitch
    BGA above 0,25mm pitch,Package on Package
    Cable & wire

Volume flexility


MOQ   as low to 5units in 1-2 days delivery

low volume

Offer   3-4 days quick turn time service for low volume.

high volumn

Offer   accurate delivery to catch your deadline.

 Comprehensive Quality Assurance

production facilities certification

ISO9001   certified


IPC610D   Test specification

Pass rate


Quality complaint rate

 ≤ 0.1%

Repair & Rework

BGA   reballing service acceptable

 Advance Testing equipment

Visual inspection

General   quality check

AOI   Testing

Checks   for solder paste, 0201 components, missing components,polarity

X-ray Inspection

Checks   for BGAs, QFN and bare circuit boards

KIC temperature test

Furnace   temperature controlled within ±0.1

ICT Testing

In-Circuit   Test

Functional test

Function   test as customized