▁opened ▁section ▁is ▁ ▁while ▁the ▁other ▁ ▁is ▁still ▁under ▁construction . ▁ ▁The ▁opened ▁sections ▁are : ▁ ▁Pat hein ( B eg ay et )- E in me ▁( ): ▁construction ▁started ▁ 1 ▁December ▁ 2 0 0 9 ▁and ▁opened ▁ 2 0 ▁March ▁ 2 0 1 1 ▁ ▁There ▁are ▁also ▁plans ▁to ▁convert ▁entire ▁all ▁ ▁met re ▁gauge ▁tracks ▁to ▁ ▁standard ▁gauge . ▁ ▁Rol ling ▁Stock ▁ ▁In ▁ 2 0 0 5 , ▁the ▁Japan ▁Rail ways ▁Group ▁and ▁other , ▁priv ately ▁owned , ▁Japanese ▁railway ▁companies ▁don ated ▁rolling ▁stock ▁to ▁My an mar ▁Rail ways , ▁including ▁former ▁J NR - era ▁DM Us , ▁rail c ars ▁and ▁passenger ▁coach es . ▁China ▁don ated ▁ 1 3 0 ▁units ▁of ▁meter ▁gauge ▁carri ages ▁in ▁ 2 0 0 6 ▁and ▁another ▁ 2 2 5 ▁in ▁ 2 0 0 9 . ▁In ▁early ▁As ▁of ▁ 2 0 1 1 , ▁My an ma ▁Rail ways ▁operated ▁ 3 8 9 ▁locomot ives ▁and ▁ 4 6 7 3 ▁railway ▁coach es . ▁ ▁Lo comot ives ▁In ▁ 1 9 9 9 , ▁My an ma ▁Railway ▁had ▁ 2 0 1 ▁dies el ▁locomot ives , ▁and ▁a ▁further ▁ 8 8 ▁were ▁on ▁order . ▁Up ▁to ▁ 1 9 8 7 ▁the ▁main ▁supp liers ▁were ▁Al st om , ▁Kru pp ▁and ▁various ▁Japanese ▁companies , ▁but ▁since ▁then