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KeYou PCB Manufacturing Ratings



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KeYou PCB's Basic Information Certification

Business Scope: High volume
Best For: 1-8layer
Establish Time: 2003
Factory Area: 5000㎡
Monthly Capacity: 10000㎡
Company Type: Domestic Sole InvestmentEnterprise
Total Staff: 280
QA: 20
MD: 210
Design Engineer: 10
Production Engineer: 30
Management: 15
Certification Type:

KeYou PCB Manufacturer Quality Control

Picture Certification Name Certified By Certificate No. Business Scope Availiable Date --- Expired Date
ISO9001:2008 Production and service of two-sided multiayer princed circuit board 2013-10-08--2016-10-07

Samples Manufactured By KeYou PCB

  • 8 Layers Board

    8 Layers Board

  • Double-Sided FR4 Board

    Double-Sided FR4 Board

  • Double-Sided FR4 Board

    Double-Sided FR4 Board

  • 6 Layers Board

    6 Layers Board

  • Double-Sided Aluminum Board

    Double-Sided Aluminum Board

  • Battery Copper Base Board

    Battery Copper Base Board

  • Foldable Metal Base Board

    Foldable Metal Base Board

  • Composite Busbar Copper Base Board

    Composite Busbar Copper Base Board

  • Multi-layer Rigid and Flexible PCB

    Multi-layer Rigid and Flexible PCB

KeYou PCB's Production Facilities

  • EQC


  • PTH/Plating PLT Semi-automatic Equipment

    PTH/Plating PLT Semi-automatic Equipment

  • Tester


  • Engineering


  • Environment Friendly

    Environment Friendly

  • PTH/Plating PLT Fully-automatic Equipment

    PTH/Plating PLT Fully-automatic Equipment

  • Deburring Machine

    Deburring Machine

  • Plate Washer

    Plate Washer

  • Drilling Machine

    Drilling Machine

  • Routing Room

    Routing Room

  • Exposure Room

    Exposure Room

KeYou PCB's Manufacturing Capabilities



16-layer volume:1-12layer, prototype:1-16 layer
Surface finishing Carbon oil, HASL with lead, HASL lead free, immersion gold, immersion silver, OSP, gold finger, Gold-hard gold
Thickness 0.4--3.5mm regular thickness:0.4/0.6/0.8/1.0/1.2/1.6/2.0 mm,volume thickness:3.5mm
thickness deviation(T≥1.0mm) ± 10% eg. T=1.6mm, real thickness=1.44mm(T-1.6×10%)~1.76mm(T+1.6×10%)
thickness deviation(T<1.0mm) ±0.1mm eg. T=0.8mm, real thickness=0.7mm(T-0.1)~0.9mm(T+0.1)
Board type FR-4、HDI, Rogers, high TG, etc.
Circuit Min trace/width ≥3/3mil(0.076mm) 4/4mil(1 OZ),5/5mil(2 OZ),8/8mil(3 OZ), this can be wider with condition permit
trace/width in grid ≥6mil/8mil(0.15/0.20mm) 6/8mil(1 OZ),8/10mil(2 OZ),10/12mil(3 OZ)
minimum etching font ≥8mil(0.20mm) 8mil(1 OZ),10mil(2 OZ),12mil(3 OZ)
minimum BGA ≥6mil(0.15mm)
outer copper thickness 35--140um
inner copper thickness 17-70um
circuit and spacing ≥10mil(0.25mm)

ship individual boards from panel: The outline should be ≥0.25mm from the circuit

shipping panels with V-cut: V-score should be ≥0.35mm from the circuit. 

circuit bridging 4mil
Drilling minimum half hole size  0.5mm
minimum drilling hole size 0.2mm 0.3mm will be betterm. and the deviation is ±0.075mm
minimum slot hole size 0.6mm deviation±0.1mm
minimum laser drilling size 0.1mm deviation±0.01mm
mechanical drilling size ≥0.2mm
stamp hole size  0.5mm  spacing between the stamp holes should be 0.25mm. The minimum number for a rank is ≥3
Plugged hole size ≤0.6mm tenting via for ≥ 0.6mm
solder ring via 4mil via4mil, and components hole≥6mil
Solder mask Type LPR oil white, black(light and matt), blue, green, yellow, red, etc.
solder bridging

green oil≥0.1mm

motley oil≥0.12mm

black and white oil≥0.15mm

spacing between solder masks should be no less than 0.18mm. The thicker the copper is, the wider the spacing. 
Legend minimum width ≥0.6mm
minimum length ≥0.8mm
minimum trace width ≥0.1mm
spacing between legend and solder mask ≥0.2mm
ratio of width and height 1:0.5
Outline minimum 0.60mm
maximum 550mm x 560mm

V-CUT length≥55mm

V-CUT width≤380mm

Panels Panel: no gap in between 0mm gap ship as panels without gap
Panel: no gap in between 1.6mm gap the gap should be no less than 1.6mm
panels of half hole boards

1.1 or 2 sided half hole board use V-cut or Stamp hole

2. 3 or 4 sided half hole board use fiducial hole or tab-routing

Panels in different designs use V-cut or stamp hole
specifications peeling resistance strength ≥2.0N/cm
Anti-flame 94V-0
Impedance Control single ended, coplane, and difference

(coplane) single ended:45~85Ω

(coplane) difference:85~110 Ω

special specifications Resin plugged via, plate hole, PTFE, blind via, etc.

Latest Manufacturing Orders

  • Order No.LayersNumberBuyer’s CountryTransaction ValueTransaction Date
  • H19761ASG120 1 Layers 358 PCS UNITED STATES OF AMERICAbr***na USD $535.44 2017/5/16 18:34:42
  • H22810AXG42 2 Layers 5 PCS AUSTRALIAja***au USD $999.81 2017/5/11 10:27:35
  • H21527AXG38 4 Layers 417 PCS ran USD $3249 2017/5/10 17:19:44
  • H19255ASK24 2 Layers 10 PCS gt***er USD $124.16 2017/5/7 14:50:30
  • H22752G3XG31 2 Layers 300 PCS INDIAja***sa USD $686.2 2017/5/6 9:16:04
  • H22740G6XG61 1 Layers 1000 PCS UNITED STATES OF AMERICAge***er USD $527.99 2017/5/5 15:04:39
  • H21527AXG36 4 Layers 250 PCS INDIAran USD $2689 2017/4/26 12:57:19
  • H20112K1SK117 2 Layers 5 PCS ad***mc USD $234.05 2017/4/19 6:54:30
  • H17026AXG256 2 Layers 55 PCS UNITED STATES OF AMERICArp***ez USD $958.16 2017/4/6 10:36:01
  • H21334G4XG44 2 Layers 125 PCS UNITED STATES OF AMERICAsa***u2 USD $624.92 2017/3/3 17:03:36
  • H20403AXK210 2 Layers 500 PCS ye***g1 USD $547.03 2017/3/2 17:37:29


The comments are from customers' first-hand purchasing experience!

Low Cost : 4
High Quality : 4
On-time : 3


Overall Rating