zhè xiē / xīn yè wù / dōu / chǔ zài / zǒng bù / de / sǎn xià / fā zhǎn / de hěn / píng wěn

这些新业务都处在总部的伞下，发展得很平稳。

These new businesses are under the umbrella of the headquarters and are developing steadily.