The crucial words are in the very first sentence of the article: ".. has likely advanced its production technology ..". Reading the rest of the article it seems that they saw a product announcement from a company which happens to be a SMIC customer. It has not been confirmed that this product was actually made by SMIC.
I'm not sure that it is possible to manufacture 7 nm products with sufficient yield without the use of ASML machines.
I'm not sure that it is possible to manufacture 7 nm products with sufficient yield without the use of ASML machines.

