jlcpcb

china's largest pcb prototype manufacturer, offers 24 hours quick turn pcb prototype, pcb assembly and reliable small-batch pcb production.

nextpcb is one of the largest pcb manufacturers in china who own more than 3 factories. we provide expert service in high-quality printed circuit board manufacturing & pcba service, pcb assembly, including prototype, fabrication & circuits within a fast lead time of 24 hours with low cost.

自作キーボードの世界を紹介します。