parts from Banggood:

MartianⅡ 220 220mm 4mm Arm Thickness Carbon Fiber Frame
http://www.banggood.com/Martian-220-2...

Racerstar RS30A 30A Blheli_S OPTO 2-4S ESC
http://www.banggood.com/4X-Racerstar-...

Redcon 2.4G DSM2 DSMX Satellite Receiver
http://www.banggood.com/Redcon-2_4G-D...

30mm standoffs
http://www.banggood.com/10-PCS-M330-C...

KingKong 5x4x3 props
http://www.banggood.com/10-Pairs-King...