Type 072 Yuting II LST

http://www.sinodefence.com/navy/amphibious/yutingii.asp

On the Sinodefense page, it says there are 7 Type 072 LSTs in service. On China Defense, they claim there are 9 in service:

http://china-defense.blogspot.com/20...e_archive.html
Type 72-III.
911
912
913
918
922 (this might be a typo, I think it should be 992 - http://www.anyboard.net/gov/mil/anyb...1107559246.jpg)
993
994
995
996
997

some 5 twin hual small craft

number 3315, 3316, 3317, 3232, 3235

As for LSM

the new members are:

944
945
946
947
948
949

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However there is no source cited. Can anyone confirm on these numbers?

Also, does anyone know what ship class the "Twin hull small craft" and LSM refers to?