They say the cuts put children in danger.
It comes amid falling sales and an intensifying price war for electric vehicles.
The total cost of redundancies across the public service is not yet known.
It's the second time Shen Yuan has been fined by the ERA.
It comes as several companies grapple with rising costs and tighter profit margins.
But there's a catch.
"If I don't find something within the next few months then we are considering relocation."
Dozens of companies and government agencies have announced redundancies in recent weeks.
NZ Post has confirmed its plans to stream mail into the parcel network.