Keyto is a professional microfluidic chips manufacturer, the Immunoassay Chips are customizable microfluidic chips built to streamline immunoassay workflows in diagnostic instruments. Integrate reagent routing, mixing, incubation, and washing into a compact assay cartridge to reduce dead volume and simplify assembly. Designed for IVD / POCT immunoassay workflows. Custom channel routing and port layout for cartridge integration. Reduced dead volume and fewer connections for simpler assembly. Rapid prototyping and design iteration with engineering support OEM/ODM supply from prototype to production.