as a person that's worked in the computer manufacturing industry: I can guarantee you that Intel desktop CPUs do not have any geographical restrictions on them, and considering the vast quantities of them that are purchased in bulk-tray OEM version (sans fancy retail box packaging and heatsink) for integration into HP, Dell, Lenovo etc desktop PCs built in mainland China, the supply of all varieties of Core i7 in mainland China is abundant.
"Bicycling is a healthy and manly pursuit with much to recommend it, and, unlike other foolish crazes, it has not died out."
- The Daily Telegraph (1877)