Is there any recommended route for self-driving from Jinchang, Gansu to Qinghai and back to Jinchang?

First transfer from Jinwu Expressway to Lianhuo Expressway, then transfer to Weibei Expressway to Xining. Just go back the way you came.

D1 Xining - Kumbum Monastery - Laji Mountain - Qinghai Lake - Chaka Salt Lake - Chaka Town (Suzhou)<br/>D2 Chaka Salt Lake - Gangcha - Dadongshu Mountain Pass - Qilian Zhuoer Mountain (Suzhou)<br/ >D3 Qilian-Arou tribal temple-Gangshika Snow Peak (far view)-Menyuan-Xining<br/><br/>Help you, please click green [Accept]!

D1: Jinchang--Lanzhou--Tar Monastery--Xining (Suzhou)<br/>D2: Xining--Qinghai Lake--Chaka Salt Lake--Chaka (Suzhou)<br/>D3: Chaka-- Dachaidan Emerald Lake--Dachaidan (Suzhou)<br/>D4: Dachaidan--Aksay Oil Town--Yangguan--Yadan Devil City--Dunhuang (Suzhou)<br/>D5: Ming Sand Mountain Crescent Spring--Mogao Grottoes--Moge Outdoor Desert Camping (Sustaining)<br/>D6: Dunhuang--Jiayuguan Tower--Zhangye (Sustaining)<br/>D7: Zhangye Colorful Danxia--Jinchang ( Finish)