Canadian-machined CSA N285.0 Class 1–3 non-welded nuclear fittings and CANDU fuel-channel pressure-boundary components from the Toronto mill=siège. Canadians for CANDU: supplying those parts since 1967; TSSA Material Organization plus fabrication certificates. Extra uranium-fuel and fab-cnc-jobshop. Distinct from Arnprior Nu-Tech zirconium pressure tubes. Oversized. No named directory seaport.