How to get to the ideal international building from Beijing Renji Mountain Villa?

The route from Beijing Renji Mountain Villa to Ideal International Building is as follows:

1, walk 22 meters to Zizhuqiao North Station.

2. Get on the bus again at Zizhuqiao North Station, and take Bus No.450 to Haidian Bridge East Station.

3. Walk 220 meters to Ideal International Building.