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porn 2019,Electricity and thermoelectricity is a precursor industry of the national economy and the people's livelihood. Yuanda Valve Group has obtained the qualified supplier network access certificate of Guodian, Huadian, Huaneng, Datang, and China Power Investment Corporation. It has provided product support in the construction of the 600 thousand KW supercritical power generation unit, the 300 thousand KW electric thermo joint generation project, the coal gangue power generation project, the biomass power generation project, and centralized urban heating project.