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Spiral Ventilaiton Duct
الموديل: Ф600mm×10m, Ф1200mm×10m, Ф1800mm×10m, Ф2500mm×5m etc.
المعلمات: Diameter: Ф200mm to Ф2800mm
Section Length: 1m to 20m
Usage Environment: Positive Pressure or Negative Pressure
Material Weight: 300 gsm - 2,000 gsm
Performance: FR or FRAS
Manufacturing Process: Welding
Certification: ISO 9001, ATEX , CE, CNMA, SGS Test Reports.
Flexible Ventilation Duct
الموديل: Ф760mm×10m, Ф1015mm×10m, Ф1400mm×10m, Ф1600mm×10m, Ф2800mm×100m etc.
المعلمات: Diameter: Ф200mm to Ф3200mm
Section Length: 1m to 300m
Tensile Strength: 1,000 N - 4,200 N
Material Weight: 300 gsm - 2,000 gsm
Performance: FR or FRAS
Manufacturing process: Seamless one-piece fish-back welding automation technology
Certification: ISO 9001, ATEX, CE, CNMA, SGS Test Reports.
معرض الشركة
الشهادات والجوائز
قصص النجاح
Xi'an-Chengdu Railway Project
The Xi'an-Chengdu Railway project, undertaken by China Railway 2nd Engineering Group, is one of the largest and most technically challenging projects currently under construction for the group. It is also a crucial component of the national "Eight Vertical and Eight Horizontal" high-speed rail network, with a total length of 19.68 kilometers.
Long tunnel, low air leakage rate
Melbourne Metro Rail Project
The Melbourne Metro Rail Project involves the construction of a 9km-long tunnel within Melbourne, Australia, connecting the Sunbury and Dandenong railway route. Construction is scheduled to begin in late-2018 and operations are expected to start in 2025. We have have supplied the vent ducts of 1500mm diameter since 2019.
High flame retardancy, easy installation, flexible large-diameter ventilation duct, meets strict safety requirements for underground tunnel projects
Trunk Road T2 Tunnel
The Trunk Road T2 Tunnel is an important component of Hong Kong Route 6 and a key undersea tunnel project connecting Kowloon and Tseung Kwan O. Constructed using tunnel boring machines (TBM), it avoided large-scale land reclamation, minimizing its impact on the marine environment. It is approximately 3.4 kilometers long, including about 2.1 kilometers of undersea tunnel.
High flame retardancy, easy installation, flexible large-diameter ventilation duct, meets strict safety requirements for urban rail tunnel projects
Guangxi Beibu Gulf Project
The project undertaken by China Water Resources and Hydropower 14th Engineering Co., Ltd. in the Beibu Gulf region of Guangxi is a major national water conservancy project with a total length of 30 kilometers. The project uses domestically advanced slurry balance shield tunneling machines (about 4 meters in diameter) to specifically address the challenges of the Beibu Gulf region's abundant water and complex geology.
High flame retardancy, easy installation, flexible large-diameter ventilation duct, meets strict safety requirements for urban rail tunnel projects
Global Tier-1 Mining Conglomerate and EPC Contractor
100% stable, continuous operation with a zero defect and rejection rate, ensuring the supply of fresh underground air and compliance with safety standards for multinational mine audits.
The 700 g/m² high-strength flame-retardant series features zero-leakage seamless construction and complies with international standards (SGS, ATEX, NFPA 701). It also offers highly reliable transcontinental multimodal logistics.
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