Saudi cement producer Yamama Cement Company will invest 1.5 bln Saudi riyals (US$400m) to expand its daily clinker production by 10,000 tonnes, it was reported on February 24, 2004.  YCC signed on February 23, 2004 a contract with German engineering company Polysuis, under which Polysius will supply the equipment for the production line and provide engineering services, consultancy and design, YCC managing director, Prince Sultan bin Mohammed Saud al-Kabir, said. The production line will be installed and commissioned by Gama Al-Moushegah Arabia, a joint venture between Turkish Gama Endustri and Saudi Al-Moushegah Group of Companies.