Certificate Directory
Liang Chew Hardware Pte Ltd
Product category:
STL Test Certificate
COC Number:
TC-J0179
Issue Number:
03
Product:
Ductile Iron Heavy Duty Double Triangular Manhole Cover & Frame
Brand / model:
Norika / DIHDMC
Status of COC / Date:
Current / 19-Jul-2026
Date of issue:
20-Jul-2020
Date of revision:
21-Jun-2024
Date of expiry:
19-Jul-2026