EMAX Yin Yan Model Tech. Mft. manufactuers well-known EMAX motors, Loong-MAX lipo batteries, EMAX ESC, EMAX servo ect. Now 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 jane(at) yinyanmodel dot com. Thank you for your attention!