调频质量阻尼器加固用 VFD-NL180*30 耗能能力强国塑建材

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Hebei building materials technology ltd

Address:No. 92 north industrial park industrial avenue, high new district, habei water control city
Tel:13734020280

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13734020280

调频质量阻尼器 加固用 VFD-NL180*30 耗能能力强 国塑建材