9.Axle: 40x40 solid square axle 

10.Surface treatment: hot dipped galvanized

Min order:20 feet container(25sets-30sets) 

20' feet container:20sets 

40' feet container:40sets

others: 

1.we also can produce all kinds of motor bike trailers  

2.all the trailer parts with simple packing with carton 

if you want to know more informations about our trailers. please contact me

http://www.swttrailer.com