And it may also be attractive to a GE, another car company like Toyota , Air Liquide, a fund, etc etc.
A China bid, would be most welcome, but they will get competing bids.
The Canadian Government would be no problem - they get excited about oil and potash foreign takeovers, but have never gotten excited about technology.
The Canadian Government's $ investment in grants to Ballard, has not been that significant - maybe a couple million per year at most. If someone takes over Ballard, they might have to pay back maybe 410 million....big deal