In December 2005, the Dontsement company (Amvrosiivka, Donetsk region), increased cement production by 62.2 per cent or 23,000t compared with December 2004, to 60,000t.   According to the company statement, in December the company increased clinker production by 132 per cent or 29,700t compared with December 2004, to 52,200t. Dontsement operates six cement kilns and has a total capacity of about 2Mt of cement per year.  In December HeidelbergСement company through its Danish affiliate office CBR Portland BV acquired Dontsement.