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  • Zhenglong Hose is a professional manufacturer of thermoplastic, aluminum, flexible hose and duct for industry standard applications. These products are typically used in ventilation & drain systems, as parts of electrical appliances, such as air-conditioner, waterheater, range hood, vacuum cleaner, ventilator, etc. Besides, we develop and quote on custom pipes and other plastic fittings. We also help to design the products to meet your specifications.

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