Hangzhou Freqcontrol Electronic Technology Ltd. Quality Control

• 
  Standard: ISO 9001

  Number: 01220

  Issue Date: 2020-08-10

  Expiry Date: 2023-07-07
• 
  Standard: ISO9001

  Number: DZ/CN/S2

  Issue Date: 2021-09-26

  Expiry Date: 2024-09-25
• 
  Standard: ISO 14001

  Number: DZ/CN/S24

  Issue Date: 2021-09-26

  Expiry Date: 2024-09-25
• 
  Standard: MSDS

  Number: 12301

  Issue Date:

  Expiry Date:
• 
  Standard: RoHS

  Number: SHAEC

  Issue Date:

  Expiry Date:

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.