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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Our Mission
Create value for customers and create wealth for employees!
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Our Vision
Become one of the global leading companies in the flexible air duct and fabric expansion joint industry!
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Our Expertise
Manufacturing flexible air ducts and fabric expansion joints!
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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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News Center
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Why Choose Flexible Aluminum Foil Ductwork?
07/01/25
Efficient air ventilation is essential for maintaining a comfortable and healthy indoor environment. Choosing the right ductwork material can significantly impact the performance, energy efficiency, and longevity of y... -
What Is a Flexible Aluminum Foil Air Duct?
31/12/24
When it comes to heating, ventilation, and air conditioning (HVAC) systems, efficiency and flexibility are key. One important component that contributes to these systems’ performance is the flexible aluminum foil air ... -
Why PVC Coated Ducts Are Essential in HVAC Systems
25/12/24
When it comes to designing efficient and durable HVAC systems, the choice of materials plays a pivotal role. Among the many innovations in ventilation technology, PVC coated ducts have emerged as a game-changer. These... -
Maintenance Tips for PVC Coated Air Ducts
17/12/24
When it comes to maintaining a healthy indoor environment, proper air duct maintenance is essential. Among the various types of ducts used in ventilation systems, PVC-coated air ducts have gained popularity due to the... -
Key Specifications of Flexible PVC Coated Mesh Air Ducts
12/12/24
When it comes to maintaining efficient and durable airflow in industrial or commercial environments, flexible PVC coated mesh air ducts stand out as a reliable solution. But what makes these ducts so special? Let’s di...