[8] ARMT (then called the 4th Aerospace Academy) was appointed as the main contractor while the research arm of the Second Artillery Corps (SAC) which, provided contributing support.

This upgraded missile has a reported range of 13,200 km,[3] will allow targeting of most of the continental United States[7] and was designed with MIRV capability to hold 3 to 5 warheads, each capable of a 90 kt yield, but is thought to be armed with only one warhead with penetration and decoy aids to complicate missile defense efforts.

[1][6] The missile was shown to the public during the parade in Beijing celebrating 70 years since the end of World War II on September 3, 2015.

[13] The PRC has developed an improved variant of the DF-31A called the DF-31AG (G stands for 改 (Gaï), "modified)[14] or DF-31B with an off-road 8 axle TEL and MIRVs.

[18] On the military parade marking the 90th Anniversary of the founding of the People’s Liberation Army in 2017, DF-31AG ICBM was officially demonstrated.