Landspace to attempt first private Chinese orbital launch on October 27 https://goo.gl/Pjc9rn
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I understood from Landspace that the supply severing affected the previous LS-1 planned launcher, leading to the development of the (less capable) ZQ-1. At least that's how they were framing playing it.
These were what my impressions are through reading Chinese forums so take that with some salt. However it seems that the initial plans for both Landspace and OneSpace were more akin to the (Deke Slayton era) Conestoga, where all the engines/motors were purchased outright.
