回复：刚刚收到485补材料的通知，请小白兔及各位大侠们帮忙。

[1]，什么形式的“evidence"，是不是由B公司提供？
A company already vanished, of course B company.
[2]是否需要公正，或是什么证明手续？
Not necessary. But need the person who is responsible for it signature, such as president or director.