Voyage of Norwegian Hav to Canton 1924

[Jerry Asher]

I am hopeful that someone can help me track the Hav in 1924.
She is recorded as reaching southern China (Guangzhou/Canton) by August 8th at which point she is detained by the Chinese Jianggu.
From where and when did she sail?
When was contract for her cargo negotiated? Signed?

Finally can anyone recommended a book/ any language--including Norwegian, that covers the history of Norwegian flagged ships in East Asia/specifically Chinese waters, 1920-1945?

Many thanks in advance.