If you are planning to do business abroad, please consider consulting an attorney with a specialization in import/export laws. There are a suprising amount of national security issues and regulations related to bringing American technology to other countries (yes, that means if you are emailing specifications to potential manufacturers overseas, this could apply to you!).
If you ultimately travel abroad, there are important security considerations for the technology you bring with you. Because of the very different appreciation of intellectual property in China particularly, there are significant differences in the security concerns when you travel there. Riva Redmond at entrepreneur.com outlines 5 Steps for Keeping Digital Date Safe While Traveling to China. You might be surprised at the close supervision paid to your laptop while you aren't occupying your hotel room.