Certificates
  • China Hangzhou Freqcontrol Electronic Technology Ltd. certification
    Standard: ISO 9001
    Number: 01220
    Issue Date: 2020-08-10
    Expiry Date: 2023-07-07
  • China Hangzhou Freqcontrol Electronic Technology Ltd. certification
    Standard: ISO9001
    Number: DZ/CN/S2
    Issue Date: 2021-09-26
    Expiry Date: 2024-09-25
  • China Hangzhou Freqcontrol Electronic Technology Ltd. certification
    Standard: ISO 14001
    Number: DZ/CN/S24
    Issue Date: 2021-09-26
    Expiry Date: 2024-09-25
  • China Hangzhou Freqcontrol Electronic Technology Ltd. certification
    Standard: MSDS
    Number: 12301
    Issue Date:
    Expiry Date:
  • China Hangzhou Freqcontrol Electronic Technology Ltd. certification
    Standard: RoHS
    Number: SHAEC
    Issue Date:
    Expiry Date:
QC Profile

CQT Group deploys strict Quality Control Process for the wafers we make.

 

We comply with GB/T 2828.1-2012 Sampling Standard and TS16949 quality system for our wafers.

 

We have built up Class 1000 clean workshop and Class 100 clean desk, along with 6-step cleaning and drying line.

 

We possess complete inspection equipments:

Corning FlatMaster 200 for TTV, BOW, Warp,

Automatic Optical Surface Inspector (AOI) for surface quality test,

X-ray diffractometer (XRD) for orientation analysis,

EFG from Berlin for frequency selection, etc.