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)