Google is threatening Acer to not make phone based on Aliyun OS while Haier Group who is another member of OHA have already shiped an Aliyun OS phone[1]. No question of "fragmentation" were asked back then. Hypocrisy at its best.

[1] http://www.generalatlantic.com/en/news/article/1838

Edit: See http://www.openhandsetalliance.com/oha_members.html for list of OHA members.