Acer Inc, Taipei, Taiwan has bought a 50% stake in one of its West German distributors, Ce-Tec Data Technology GmbH, of Ahrensburg, near Hamburg, renaming the company Acer-Cetec Computer GmbH. Turnover of the company was $26m last year; Acer did $1,120m turnover in the nine months to September 30. Terms of the agreement were not disclosed.