Specification core: first, evaluation scope, covering full life cycle of raw material mining, manufacturing, transportation, use, scrap recycling, accounting 12 environmental indicators such as carbon footprint, energy consumption, water consumption, waste gas, waste water, solid waste; second, carbon footprint accounting, adopting IPCC method, calculating full life cycle CO₂ equivalent emission, unit kgCO₂e/unit, clarifying emission reduction target, carbon offset, green procurement requirements; third, EPD report, including product information, environmental data, evaluation basis, emission reduction measures, third-party independent verification, open and transparent, valid for 3 years; fourth, green manufacturing requirement, clean energy ≥70% in production, zero wastewater discharge, solid waste recovery ≥95%, material environmental non-toxic, recyclable ≥85%; fifth, application scenario, elevators with EPD certification preferentially included in green building, government procurement, low-carbon park catalog, enjoying tax reduction, subsidy support. By end of 2026, 30% mainstream products in the industry completed EPD certification.