Approvals
ASIA
- ISO 9001 -2015 Approval ISO Certification
 - Hong Kong Civil Engineering & Development Department Approval per General Specifications for Civil Engineering Works - Clause 15.35
 - Hong Kong Building Department Approval per Code of Practice for Structural Use of Concrete(2013)- Clause 3.2.8.4 for Type 2 mechanical rebar splice
 
North America
- NJDOT
 - NYSDOT
 - FLDOT
 - ILLDOT
 - MASSDOT
 - WVDOT
 - NCDOT
 - Ministry of Transportation Ontario (MTO)
 
