Hey, If I don't recall if the Cinewing-6 had retractable landing gear. But you can get these Tarot units on amazon. The price is right and they will be a nice upgrade if the -6 had fixed gear before.
https://www.amazon.com/dp/B01BY7PA8O/?coliid=I3JFFYMLC6QWGF&colid=3DKJCFDVOJ5G7&psc=1&ref\_=lv\_ov\_lig\_dp\_it