Contact Us

FAQ

What size hole is needed for opening?

Now we have 2 sizes:  85mm(3-3/8") and 52mm(2"). Every gauge is shipped together with installation instruction.

  • Shanghai Eling Electronic Machinery Co., Ltd.
  • Address :

    Room 926, No.11 Lane 225, 

  • Jinxiang Rd.,Pudong District, 

  • Shanghai, China 

  • Tel :+86 21 3175 0330
  • Mobile : +86 137 9531 5352
  • E-mail:
  •