Because each principal listed above can potentially interact with other principals, it follows that the intermediation shown in Figure 1 will require one of these diagrams for each interaction.

由于上面列出的每个主体可能与其他主体交互，因此图1中所示的中间层要求为每个交互提供一个这样的关系图。

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Siwei is a subsidiary of ERA Mining Machinery, a Hong Kong-listed firm controlled by a shell company whose principals are two American entrepreneurs in China.

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