The missile's TEL features an extra pair of elevators near the aft of the missile unlike the TELs of the DF-31 or DF-31A, suggesting a heavier missile second and third stage than earlier variants.
ðə mˈɪsəlz tˌiːˌiːˈɛl fˈiːtʃɚz ɐn ˈɛkstɹə pˈɛɹ ʌv ˈɛlɪvˌeɪɾɚz nˌɪɹ ðɪ ˈæft ʌvðə mˈɪsəl ʌnlˈaɪk ðə tˌiːˌiːˈɛlz ʌvðə dˌiːˈɛf θˈɜːɾi wˈʌn ɔːɹ dˌiːˈɛf θˈɜːɾi wˈʌn ˈeɪ, sədʒˈɛstɪŋ ɐ hˈɛviɚ mˈɪsəl sˈɛkənd ænd θˈɜːd stˈeɪdʒ ðɐn ˈɜːlɪɚ vˈɛɹiənts.