07/06/2011 (Agence Europe) - Joint ventures: aggregates in construction. On Tuesday 7 June, the European Commission granted clearance to the acquisition by Holcim Grondstoffen B.V. of the Netherlands and Basalt Union GmbH of Germany, of joint control of the Dutch undertaking H+B Grondstoffen C.V. by way of purchase of shares in a newly created company constituting a joint venture. Through this transaction, the parent companies will transfer all of their respective activities in the trading...