IPGP vs VNET Comparison

IPG Photonics Corp is a vertically integrated developer and manufacturer of high-performance fiber lasers, fiber amplifiers, and diode lasers, which are used in diverse applications in the manufacturing, automotive, industrial, aerospace, semiconductor, and consumer end markets. The company operates in one segment which involves the design, development, production and distribution of fiber lasers, laser and non-laser systems, fiber amplifiers, and related optical components. A large majority of the firm's revenue is derived from materials processing applications for fiber lasers, including cutting and welding, marking and engraving, and micro-processing. The company generates a majority of its revenue from North America and also has its presence in China, Japan, Germany, and other markets.

VNET started as AsiaCloud in 1999 and moved to the data center business with its first self-developed data center opening in 2010. The firm listed (as 21Vianet) on the Nasdaq in April 2011, subsequently changing its name to VNET Group in 2021. It originally focused on providing data center services such as colocation and cloud services to retail clients in China, but added hyperscale customers in 2019 and now counts large Chinese hyperscalers such as Alibaba Cloud, Tencent Cloud, and Huawei Cloud as customers. At the end of June 2025, it had 51,960 retail cabinets with the majority in Beijing, Shanghai, and the Greater Bay area. It also had 674 MW of wholesale capacity in service with a further 326 MW under construction and a further 792 MW held for future development.