Complex sentence: Some reports have stated that the ratings may use information gathered from Chinese citizens' online behavior, but existing scoring systems run by private companies using such data (such as Sesame Credit) are still in an experimental phase.
Split into simpler sentences: Some reports have stated that the ratings may use information gathered from Chinese citizens' online behavior,. Existing scoring systems run by private companies using such data (such as Sesame Credit) are still in an experimental phase.