Besides the title statement, China hasn't done anything. In the article text, they get more into detail and it's the Western sanctions leading to individual companies stopping their services for Russians. Companies don't want to get dragged into Western sanctions themselves, so they stop their business with/in Russia.
Article quotes:
News portal 66.ru reported that while payment by physical UnionPay cards appears to work as usual, the same cards linked to the Huawei Pay service are refused in Russia.
The decision was made by Chinese banks Industrial and Commercial Bank of China, China Construction Bank and Bank of China due to the "risks of secondary sanctions" from the United States,
"Tobias Ellwood, the former chairman of the Commons defence committee" is about half a year behind with his accusation. So either it's just for show or he's not well informed about this topic.
Already October 2023, this was in the news for everyone to read, that France and the UK are providing the geodata for their cruise missile targets and that the UK has personnel in Ukraine.
One example article I just picked via web search: German Tagesspiegel, dated 05.10.2023
https://www.tagesspiegel.de/politik/keine-taurus-lieferung-fur-die-ukraine-erwarte-vom-kanzler-dass-er-endlich-den-weg-freimacht-10572931.html
Quote & DeepL translation: