▁with ▁strong ▁local ▁partners . ▁In ▁ 2 0 0 9 ▁DE ME ▁companies ▁were ▁operating ▁in ▁ 4 2 ▁countries . ▁ ▁Fle et ▁ ▁DE ME ▁has ▁a ▁fleet ▁of ▁almost ▁ 3 0 0 ▁vessels , ▁among ▁which ▁over ▁ 8 0 ▁main ▁d red ging ▁and ▁hyd ra ul ic ▁engineering ▁vessels . ▁At ▁the ▁end ▁of ▁ 2 0 0 9 ▁DE ME ▁owned ▁and ▁operated ▁ 2 5 ▁trailing ▁su ction ▁ho pper ▁d red gers ▁( T SH D s ▁such ▁as ▁the ▁J ade ▁River ) ▁with ▁a ▁capacity ▁from ▁ 1 , 6 3 5 ▁to ▁ 3 0 , 0 0 0   m 3 . ▁They ▁include ▁the ▁ 2 4 , 1 3 0   m 3 ▁Pear l ▁River ▁which ▁was ▁the ▁first ▁meg atra iler ▁in ▁the ▁world ▁when ▁she ▁was ▁commission ed ▁in ▁ 1 9 9 4 . ▁At ▁the ▁same ▁date ▁the ▁group ▁owned ▁and ▁operated ▁ 2 0 ▁cut ter ▁su ction ▁d red gers ▁( C SD ' s ), ▁whose ▁installed ▁power ▁is ▁between ▁ 4 4 1   k W ▁and ▁ 2 8 , 2 0 0   k W . ▁The ▁C SD ▁fleet ▁includes ▁the ▁world ' s ▁heav iest ▁self - prop elled ▁and ▁ocean - going ▁rock ▁break er , ▁the ▁ 2 8 , 2 0 0   k W ▁d ' Ar tag nan . ▁d ' Ar tag nan ▁was ▁built ▁for ▁DE ME