What Laos can get from Vietnam is not compare for what they can get from us, with your puny economy you just can't compete with China, we can finance Laos infrastructure, help their econmy and build bridge connecting Laos to Thailand and
it's interesting to know that new generation of Laotians are more pro-Thai when the old generation communist leaders are fade out. And we Chinese are well position to help improve their relations...after all it's in China's interest to do so to limits Vietnam's encroachment into Laos.
and read more about how you Viet can compete with us
before claiming that Vietnam is sitting on balanced position in Laos's foreign policy