Certificate Directory
Liang Chew Hardware Pte Ltd
Product category:
STL Test Certificate
COC Number:
TC-J0006
Issue Number:
05
Product:
Ductile Iron Heavy Duty Recessed Manhole Cover and Frame
Brand / model:
Norika / DIHDRMC-D400
Status of COC / Date:
Current / 22-Aug-2026
Date of issue:
23-Aug-2018
Date of revision:
25-Mar-2025
Date of expiry:
22-Aug-2026