Sin-Shanghai-Sin-Munich -Are we eliglible for the 144 Hr visa free policy?

Hi, my husband & daughter are German passport holders and i hold a singapore passport. Are we eliglible for the 144 Hr free policy if we travel like this: Sin-Shanghai-Sin-Munich? We would like to spend a total of 5 to 6 days in Shanghai, Hangzhou and Suzhou. Thank you for a quick reply.