"The nature of the agreement is that it is, for the first time, a vehicle that allows for building a relationship of mutual trust between Huawei and the U.S. government," Plummer said. "The more that we interact, the more that we can drive trust."

Since agreeing to drop the 3Leaf purchase in February, Huawei has taken several steps toward greater openness, which it believes will help to clear up what Plummer called "misconceptions." Earlier this week it publicly . Earlier this month, Huawei Technologies USA held an open house at the company's Silicon Valley research center. Though the lab has been open for nearly two years, the occasion marked Huawei's 10th anniversary in the U.S.

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Immediately after dropping the 3Leaf purchase, Huawei laid out details of its relationship to the Chinese government and of steps the company takes to make sure its products can't be compromised. In an open letter, .

No agency has taken Huawei up on that offer, though the lines of communication are open, Plummer said. "We're certainly open to and have had dialog with the government on many fronts in the wake of the open letter."