A: Based on the safety certificate, the lampshade cannot be replaced, as we certificated the lamp in whole, that is, together with the lampshade. but you can diy it with similar shaped shade, the opening is equal or larger than the orignal. pay attention that the shade tempertaure can not exceed 90 degree centigrade after you lit it with 100W incandescent bulb in 7 hours and do not turn over in 8 degree tilt
A: Yes, you can unlock the socket ring and take off the glass shade. The lamp and shade is a whole for use.
A: Home depot
A: I think China, but not sure. It's decent quality.
A: Probably china
A: The box says the lamp was made in China.