Hong-jip KIM was sent to Japan as a member of the second inspectorate, which sent to Japan several times after conclusion of the treaty, met ministries of the Qing dynasty in Tokyo, such as Ruzhang HE, Sigui ZHANG and Zunxian (Tsun-hsien) HUGANG, then the ministries recommended to conclude treaties and trade between Western countries and he was deeply affected by that.
しかし条約締結後に実施された日本への数度の視察団派遣、特に二回目に派遣された金弘集は、東京において何如璋・張斯桂・黄遵憲ら駐日清国公使たちと面会し、開国と西欧各国との条約締結、貿易を勧められ、大いにその影響を受けた。