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Hengshi (Langfang) Precision Machinery Manufacturing Co., Ltd, el fabricant líder en la producció de productes de blindatge d'alta qualitat, com ara panells de ventilació, nuclis de bresca d'acer, redreçador de flux d'aire de bresca i segells de bresca a preus competitius.
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Hengshi Honeycomb ofereix nuclis de niu d'abella metàl·lics personalitzables per a un redreçador de flux d'aire, mida del nucli des de 8 mm fins a 30 mm,
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