CHINA UNION LINES LTD.

The flag is a vertical blue–white–red triband with stepped bands.

Brown 1958 shows a white funnel with black top and a narrow black band, leaving a broad white area between them. An angled flag touches both boundaries. It may fly from a pole like the later design, but Rosanoski is uncertain.

Stewart’s funnel is buff with a black top, separated by a broad white and narrow black biband. The flag flies from an angled pole across the biband.

Brown 1978 shows the white funnel, black top and separated narrow black band, with the flag flying from an angled pole. The source describes the pole angle as Pbd.

The Coast Guard PDF had no readable text and the Federal Register exceeded the retrieval size limit. These indexed primary-source leads support Taiwan, but the archival London association and complete company identity were not independently resolved from retrieved page text.