Hongkong Sanjoyo Co., Limited is the enterprise which invests in over 35 factories in mainland China and cooperate with otehr over 10 factories, specializes in R&D, manufacture,sell various kinds of models aircrafts and rc toys and rc hobbies, our main product are:1. EPO R/C(Radio-controlled)scale model aircrafts with fixed wings & related component parts. EPO, an advanced material that can be widely used while making model aircrafts,products in EPO material are always famous for its light ...