Awarded ISO 9001:2008 Certification by Building and Construction Authority of Singapore
2009
Awarded OHSAS 18001:2007 Certification by Building and Construction Authority of Singapore
2006
Awarded ISO 14001:2004 Certification by Building and Construction Authority of Singapore
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Hock Lian Seng Holdings Limited Hock Lian Seng Infrastructure Pte Ltd Hock Lian Seng Contractors Pte Ltd 80 Marine Parade Road, #21-08 Parkway Parade, Singapore 449269
ISO Certifications
