Accounts differ on the Swiss group’s acquisition of control. One records an initial investment in 1971 and control in 1998 through Zealhoff Holdings, followed by a bid that reached 92.3 per cent; the company account says 52 per cent was bought in 1977. Buller Port Services was a subsidiary, and a quarter-share in China’s Golden Cat Cement is recorded.
Keep the explicit scope label independent; no alias or company identity is inferred.