Factory Floor Notes
Technical write-ups from our engineering team on manufacturing process, sourcing decisions, and product technology.
Inside Our SMT Line — What 'Zero Outsourcing' Actually Looks Like
A 1200-word walkthrough of the Yamaha YS12 SMT line at Jiding: solder paste inspection, AOI placement verification, ICT functional test, and the traceability chain that lets us recall a specific reel lot 18 months after shipment.
OEM vs. ODM: The Sourcing Decision That Shapes Your Product Margin
A practical guide for B2B buyers choosing between OEM and ODM from a Shenzhen manufacturer. Covers tooling ownership, IP protection, lead time, MOQ, and which model wins for which product category.
How a Visual Ear Cleaner Actually Works — Optics, Firmware, and the AI Safety Layer
A deep technical overview of visual ear cleaner architecture: the 3.5mm endoscope lens, the 1080P CMOS sensor, the STM32 firmware stack, the Wi-Fi pipe to a smartphone, and the on-device AI that prevents injury.