py e ong . ▁Che ong gy es an ▁has ▁an ▁elev ation ▁of ▁. ▁ ▁See ▁also ▁List ▁of ▁mountains ▁in ▁Korea ▁ ▁Notes ▁ ▁References ▁ ▁Category : Mount ains ▁of ▁South ▁Korea ▁Category : Mount ains ▁of ▁G ye ong gi ▁Province ▁Category : Y ang py e ong ▁County <0x0A> </s> ▁CE ME X ▁S . A . B . ▁de ▁C . V ., ▁known ▁as ▁C em ex , ▁is ▁a ▁Mexican ▁mult in ational ▁building ▁materials ▁company ▁head qu arter ed ▁in ▁San ▁Pedro , ▁near ▁Mon ter rey , ▁Mexico . ▁It ▁manufact ures ▁and ▁dist ributes ▁c ement , ▁ready - mix ▁concrete ▁and ▁aggreg ates ▁in ▁more ▁than ▁ 5 0 ▁countries . ▁It ▁is ▁the ▁second ▁largest ▁building ▁materials ▁company ▁world wide , ▁only ▁after ▁La far ge Hol c im . ▁ ▁Lorenzo ▁Z amb rano ▁was ▁the ▁chairman ▁and ▁chief ▁executive ▁officer ▁until ▁his ▁death ▁on ▁May ▁ 2 1 , ▁ 2 0 1 4 . ▁ ▁About ▁one - third ▁of ▁the ▁company ' s ▁sales ▁come ▁from ▁its ▁Mexico ▁operations , ▁a ▁quarter ▁from ▁its ▁plants ▁in ▁the ▁U . S ., ▁ 1 5 % ▁from ▁Spain , ▁and ▁smaller ▁percent ages ▁from ▁its ▁plants ▁around ▁the ▁world . ▁ ▁CE ME X ▁currently ▁oper ates ▁on ▁four ▁contin ents , ▁with ▁ 6 6 ▁c ement ▁plants , ▁ 2 , 0 0 0 ▁ready - mix - con crete ▁facilities , ▁ 4 0