Tsuzuki who is specialised in designing and
manufacturing concrete segment for shield
tunnels, has acquired ISO9001 certification
for Head Office and Saitama Plant. Scope
of supply of the certification is Design
and manufacturing of structural precast concrete
civil engineering elements: Reinforced concrete
(Including unreinforced and nominally reinforced)
The certification has been given by BVQI
under UKAS (United Kingdom Accreditation
Service) and also been accepted by RAB (USA)
and RVA (Holland).
