
Taiwanese furniture drawer slide maker captures large share of market with high-precision AI-hardware slides
AI-generated summary
King Slide is a Taiwanese company that traditionally produces furniture drawer slides. It is stated that artificial intelligence hardware has captured a large part of the market in high-precision rails used in server cabinets.
Taiwan's King Slide, known for its kitchen drawer slides and furniture pieces, has unexpectedly become a key supplier to the AI industry. The company owns 70 to 90 percent of the high-precision drawer runners produced for server cabinets housing AI hardware.
Therefore, a seemingly ordinary product has become an important part of artificial intelligence servers. Additionally, the company's gross margin reached 87.4 percent. Below you can find the production details behind this success.
Why Are King Slide's Rails Tougher Than Drawer Rails?
The structure of these rails resembles an ordinary furniture drawer. Several steel profiles slide on ball bearings. But the requirements for server hardware are much higher.
Two rails, only 6.1 mm thick, have to support a pulled-out case weighing more than 40 kilograms. Moreover, they should not bend or get stuck during this time. Each product consists of more than 100 parts. Additionally, the measurement deviation does not exceed 0.02 mm.
Difficulty Increases in Nvidia Blackwell GB200 Cabinets
Conditions become even more severe in accelerator cabinets such as the Nvidia Blackwell GB200. While the servers are getting heavier, the rails have to be thinned. Because space needs to be made for liquid cooling and pipelines.
Therefore, the rails must be both thin and very durable. Even breaking a single part can cause expensive equipment to fall. That's why major cloud providers and server manufacturers don't want to take risks with cheaper alternatives.
King Slide's 87.4 Percent Gross Margin and 3750 Patents
Precision in production allows the company to set high margins. According to published estimates, King Slide's gross margin reached 87.4 percent in the second quarter of 2026. For example, a set of rails can cost less than $100.
In contrast, this team protects hundreds of thousands or even millions of dollars of hardware. So for customers the main thing is not price, but reliability. On the other hand, approximately 3750 patents support the company's advantage. These include stamping, coating, tooling and locking mechanisms.
Still, it's not like the King Slide is completely unrivaled. Another Taiwanese manufacturer, Nan Juen, has also entered Nvidia's supply chain. It also became a partner in the production of GB200 systems. Despite this, King Slide's position remains strong.
Finally, the company approved an investment of over $600 million to build the world's largest server rail facility.
AI outlook — possibilities, not facts
King Slide will build the world's largest server rail facility with an investment of $600 million
Very likely · Within months
Major cloud providers and server manufacturers will continue to favor King Slide rails rather than taking risks with cheaper alternatives
Likely · Short term

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