BYD's Vertical Integration as a Manufacturing Benchmark
CT scans of BYD car parts circulated on HN and sparked genuine fascination. The observation that landed hardest: BYD is vertically integrated 'at a level unseen since early 20th-century Ford.' The analysis showed component designs that suggest deep internal manufacturing capability, even when some specific parts share chemistry but not design with their signature Blade battery.
The interest here is not really about cars. HN readers are drawn to this because vertical integration is the manufacturing version of a moat that is extremely hard to replicate. The curiosity about what is inside BYD's components reads as competitive intelligence interest from people thinking about hardware, supply chains, and defensible product advantages.
The thread also surfaced the creative data collection angle: someone literally CT-scanned car parts to get this information. That is a signal about how competitive intelligence is done when traditional sources are closed off.
So what?
For founders building hardware or physical products, BYD is a case study worth understanding deeply. The company's ability to control cost and quality comes directly from internalizing supply chain steps that competitors outsource. If you are in hardware and not thinking about which components give you leverage to bring in-house, you are ceding a future moat.