Certificate Directory
Liang Chew Hardware Pte Ltd
Product category:
STL Test Certificate
COC Number:
TC-J0137
Issue Number:
04
Product:
Ductile Iron Heavy Duty Single Valve Box
Brand / model:
Norika / DISVBFH-D400, DISVBGAS-D400, DISVBPUB-D400
Status of COC / Date:
Current / 21-Jan-2028
Date of issue:
22-Jan-2020
Date of revision:
06-Feb-2026
Date of expiry:
21-Jan-2028