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Dayu Is Awarded “National Key New Product” Certificate Position:Home - News - Dayu News


The bidirectional metal sealing eccentric half ball valve developed by Dayu passed the appraisal of experts and were voted and recommended by each level of administrative government. Finally, it was appraised and approved by Ministry of Science and Technology and was awarded the certificate of “National Key New Product”. Dayu R&D team will make persistent efforts to reach another brilliant height.