21Vianet → Microsoft
As of 2026-09-05, 21Vianet is a tracked supplier of Microsoft. 21Vianet is a niche in AI & Data Center (headquartered in China); Microsoft is a niche in Design (Fabless) (headquartered in United States). 21Vianet has 5 tracked customers; Microsoft has 80 tracked suppliers.
Data as of 2026-09-05 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
21Vianet (niche in AI & Data Center) is a tracked supplier of Microsoft (niche in Design (Fabless)). Chinese carrier-neutral data-center and cloud operator. Designs Maia AI accelerators and Cobalt server CPUs for Azure. The edge is one of 80 tracked suppliers of Microsoft and one of 5 tracked customers of 21Vianet.
Source: derived from both company records and the counted edges.
The two companies
21Vianet (supplier)
Chinese carrier-neutral data-center and cloud operator.
Microsoft (customer)
Designs Maia AI accelerators and Cobalt server CPUs for Azure.
Other tracked suppliers of Microsoft
Other tracked customers of 21Vianet
Cite as: wafergraph, “21Vianet → Microsoft — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/21vianet/microsoft/ (data as of 2026-09-05).
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