Now, It seems that LG G Flex (LG D958) will be available also in Taiwan in not long future. Today, LG G Flex (LG D958) had been approved by Taiwanese authority National Communications Commission (NCC).
According to NCC Filing, NCC had test the LG G Flex (LG D958) on 12/07/2013.
LG has not confirmed the release date of the G Flex in Taiwan Yet. Maybe customers in Taiwan would be able to purchase this upcoming G flex D958 by the end of 2013.