Sinesian

In the time of George II., when these grounds were first laid out for his son, the Chinese fashion in gardening was in vogue, and the grounds round the present lake by the Palm-house were designed after the fashion of the picture in the old-fashioned willow-pattern plate... The Great Pagoda, however, which still stands in handsome preservation some little distance off, in the midst of the Arboretum or pleasure-ground, is the only vestige of this Sinesian garden folly of the eighteenth century now remaining.

Source: wiktionary

... the Sinesian World (e.g., cross-institutionally between all Chinese-speaking nations) ...

Source: wiktionary

The almost total absence of the warrior-spirit from the poetry of the Far East is a remarkable fact in the history of Sinesian civilisation.

Source: wiktionary

In this admirable work an authentic account is given of that tract of the earth's surface to which in these columns we have sometimes ventured to give the name Sinesia—the Far East, that immense Asiatic region which nature has isolated from the rest of the world by deserts, mountains, and seas... Now, through Japan, the West has made a definite breach in Sinensian exclusiveness; even China is assuredly following....

Source: wiktionary