Yeah me too. I wonder if "K" and Taiwan Shin-Shin are even the same company actually.. the only place Shin-Shin is mentioned is EWJ2, and you could interpret that screen as meaning Taiwan Shin-Shin is the "exclusive agening in Peking" for K, rather than K and Shin-Shin being the same entity.
edit- maybe K is even NT, come to think of it. NT's Chinese name is "Ka Sheng", and the two logos often appear together on hidden screens and whatnot. though you'd think they would have used the "K" logo on cart labels if that was the case.