I´ll travel from South Africa via HK to Shanghai. Will arrive in Shanghai on July 10th 16:25 hours.

Have a Business Meeting for two days in Shanghai as well holding an Invitation Letter from our dauther Company in China and have a Hotel booking in Shanghai for 3 nights. Will departure from Shanghai on July 13th 7:00 morning to Dubai. All in all I will stay in Shanghai less then 70 hours. Do I Need a visa?
Mario Thuemmler from Germany