Yes, the hub is identical
Same 5x130 PCD and same 71.6 mm centre bore: wheels from Bugatti Veyron axe arrière bolt on and centre on Faw - Hongqi E-HS9 without rings. You still need to check the offset and tyres, detailed below.
≈: width estimated from the original tyre size.
Wheel by wheel: offset and tyres
Each original wheel from Bugatti Veyron axe arrière is compared with the one from Faw - Hongqi E-HS9 of the same diameter: how much closer the wheel gets to the shock absorber or how far it sticks out of the wheel arch, and whether the tyre keeps the same overall diameter.
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≈11.5Jx21 ET60 · 365/25R21 — Check on the car
Compared with the original ≈8.5Jx21 ET48 on Faw - Hongqi E-HS9: shock absorber side +50.1 mm, wheel arch side +26.1 mm, tyre diameter −7.3 % : fit it with the original tyre size of Faw - Hongqi E-HS9 (265/45R21), not that of Bugatti Veyron axe arrière.
Comparison for guidance only (estimated width). Check in detail
Before fitting the wheels
An identical hub is not enough: offset, width and diameter change the position of the wheel, and larger calipers can touch a smaller wheel. Original wheels often use bolts or nuts with a specific seat: keep the fixings intended for the wheel, with the thread of Faw - Hongqi E-HS9 (M14x1.50), tightened to the torque shown on its vehicle page. Finally, check that the size is among the approved fitments for your vehicle. This comparison is for guidance only: have the fitting approved by a professional.
And the other way round: wheels from Faw - Hongqi E-HS9 on Bugatti Veyron axe arrière?