From UfoWiki
[edit] E-MAX (Ark-Taiwan)
Low-cost entry models available. Cheap spare parts. Many aluminium tuning parts available.
[edit] T-REX 450 (Align)
sold through Robbe
[edit] X400 (Ark-Taiwan)
The "mother" of all current -400 size helis
[edit] CX480 (Jamara)
full E-MAX clone