This document discusses the development and production of lateral flow immunoassay test strips. It begins with an introduction to lateral flow immunoassay strip structure and detection principles. It then describes the key components of the strips including antigens, antibodies, nitrocellulose membrane coating, colloidal gold labels, conjugate pads, sample pads and consumables selection. The document also discusses product stability, quality systems, and plant layout and equipment for large-scale production of the test strips.