To escape pure price competition, vendors pursue differentiation along three axes: technology (recombinant rabbit, chimeric human Fc, or site-specific conjugation), service (same-day shipping, bulk aliquoting, custom buffers), and channel depth (direct hospitals in TB-endemic regions, OEM supply to IVD kit houses, or private-label deals with local labs). M&A activity is muted, but tight partnerships with diagnostic OEMs, public-health consortia, and GxP contract manufacturers are increasingly used to lock in volume and share regulatory dossiers. Margin pressure persists as serum and Protein A resin costs fluctuate and as WHO pre-qualification audits lengthen timelines; several suppliers have responded by dual-sourcing raw materials and adding regional fill-finish suites to shorten cold-chain miles and hedge import delays.