The OPO Milk Powder ecosystem comprises upstream, midstream, and downstream actors that transform raw dairy inputs into a structured infant‑nutrition ingredient and deliver it to final consumers. Upstream, dairy farms and milk‑protein concentrate suppliers provide skim milk and phospholipid fractions required for OPO (oleic‑palmitic‑oleic) structuring. Midstream, ingredient manufacturers, technology licensors, and contract processors apply enzymatic interesterification and spray‑drying to create the structured fat matrix. Downstream, distributors, branding agencies, and retail channels move the finished powder to manufacturers of infant formula, medical nutrition, and functional foods. Value is captured through formulation premiums, compliance with nutrition standards, and differentiated positioning.