• Coated mesh air duct
  • Flexible air duct made of foil & film
  • Flexible new-air acoustic duct
  • Our Mission

    Our Mission

    Create value for customers and create wealth for employees!
  • Our Vision

    Our Vision

    Become one of the global leading companies in the flexible air duct and fabric expansion joint industry!
  • Our Expertise

    Our Expertise

    Manufacturing flexible air ducts and fabric expansion joints!
  • Our Experience

    Our Experience

    A professional flexible air duct supplier since 1996!

Our Application

The annual flexible pipe output of DEC Group is over five hundred thousand(500,000) Km, amounting to more than ten times of the circumference of the earth. After more than ten years of development in Asia, now DEC Group continuously supply high quality flexible pipes to a variety of our domestic and overseas industries of such as construction, nuclear energy, military, electron, space transportation, machinery, agriculture, steel refinery.

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  • background

About Company

In 1996, DEC Mach Elec. & Equip(Beijing) Co., Ltd. was formed by Holland Environment Group Company (“DEC Group”) with an amount of CNY ten million and five hundred thousand of registered capital; is one of the largest manufacturers of flexible pipe in the world, is a transnational corporation specializing in manufacture of various kinds of ventilation pipes. Its products of flexible ventilation pipe have passed quality certification tests in more than 20 countries such as American UL181 and British BS476.

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