Question about Grenoble Nantu Vest

Hi,

Im looking to buy a Nantu Vest. I have found the model from Swagsupply, and they have the model from several factorys.

ALL Factory = ? CNY
TM Factory = 640 CNY

HT Factory = 630 CNY

RA Factory = 800 CNY

Heima Factory = 1360 CNY

Heima Factory = 1280 CNY?!

Can anyone help me with what the main difference is between the factories? Is the more expensive version from Heima the one to go for if you want the well-made vest?