Hobby-Loong is the independent sales department of R/C model company EMAX Yin Yan Model Tech. Mft., which manufactuers well-known EMAX motors, Loong-MAX lipo batteries, EMAX ESC, ect. Now we also serve as a distributor of many brands such as E-sky, Rjx. Our products share a big market and enjoy good reputation in R/C model scope, to provide quality products and better serve all R/C hobbyists is our ever-lasting goal! For more information, please contact me at susan at hobby-loong.com Thank you for your attention!