ShuangMa helicopter, SHUANG MA (DH-TOYS, doulbe horse) remote control helicopter factory is old brand, it had product many big and mini helicopter, included Quadrocopter, and RC boar, rc car.
SHUANG MA helicopter parts, ShuangMA RC Quadcopter, SH-9135, SH-9128, SH-9136 ARE mini quadrocopter, very good for children; SH-9135 is big Quad copter, about 33.4cm. now you can buy all parts for these aircaft.
Double Horse Helicopter, SHUANG MA, Shuang ma, DH-9130, DH-9131, DH-9120 are all Mini Helicopter; DH-9120 is single screws, 2.4Ghz, 3CH. Now, you can buy all parts for these helicopter, if you can not find it, please tell me.
SHUANGMA DH9116, Double hores DH-9117 are single screws helicopter, 2.4Ghz, 4CH, More stable, you can buy Upgrade battery for them, play longer time.
Shuangma (SHUANG MA) DH-9104 is single screws, 2.4G, 4ch, large helicopter; DH-9100 is mini helicopter, about 39CM, use 650mAh li-po battery. we have all parts for these helikopter.
SHUANG MA R/C helicopter, SHUANG MA 9101 is big helicopter, 1500mAh, 3CH, 64cm; air max NO.9102 is small helikopter, about 19cm, 150mAh li-po battery. now, you can buy all parts for this helicopter.