To Install this mod drag the Chinese jumpsuit.esp file and folders to Fallout New Vegas\Data folder and enable the .esp file.
You will also need the original Fallout 3 to copy meshes and textures, to do that you will need FO3 Archive Utility (http://www.nexusmods.com/fallout3/mods/34/?) or something simmilar to open Fallout - Meshes.bsa and Fallout - Textures.bsa (You can find both in Fallout 3\Data folder)

The files you need are:

(Files from Fallout - Meshes.bsa)

meshes\armor\chinesecommando\chinesecommandom.nif
meshes\armor\chinesecommando\chinesecommandostatic.nif
meshes\armor\chinesecommando\go.nif
meshes\armor\chinesecommando\outfitf.nif

(Files from Fallout - Textures.bsa)

textures\armor\chinesecommando\outfitf.dds
textures\armor\chinesecommando\outfitf_n.dds
textures\armor\chinesecommando\outfitfold.dds
textures\armor\chinesecommando\outfitfold_n.dds
textures\armor\chinesecommando\outfitm.dds
textures\armor\chinesecommando\outfitm_n.dds
textures\armor\chinesecommando\outfitmold.dds
textures\armor\chinesecommando\outfitmold_n.dds
textures\interface\icons\pipboyimages\apparel\apperal_chinese_officer_jumpsuit.dds
textures\interface\icons\pipboyimages_small\apparel_small\glow_apperal_chinese_officer_jumpsuit.dds

Remember to place meshes and textures to the correct folders
meshes to Fallout New Vegas\Data\meshes\armor\chinesecommando folder
textures to Fallout New Vegas\Data\textures\armor\chinesecommando and Fallout New Vegas\Data\textures\interface\icons\pipboyimages\apparel and Fallout New Vegas\Data\textures\interface\icons\pipboyimages_small\apparel_small

You can find jumpsuit on Doc Mitchell's sofa.
I hope it works, its mine first mod i have created :P