You Will Benefit From

Underground ventilation duct highly-customized to meet your specific business needs based on your budget & quality requirement.

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    Competitive Wholesales Price

    Most affordable cost secured by self-made fabrics, reliable hardware suppliers and patent extrusion technology.

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    All-round Superior Quality

    Environment-friendly raw materials, self-developed PVC extrusion processing line & all ducts with NPFA 701( MSHA) approved.

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    All-in-one Precise Customization

    Offering PVC fabric Solutions to meet your global market demands by chemical performance/weight / length / width / color / etc.

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    100% Benefits Guarantee

    Up to 12-months warranty and free sample available with SGS & CE approval certification.

Submit Your Enquiry & Get New Catalog

Our expert team will answer your inquiries within 12 hours.

    Remark: The latest product catalog is available for download once your form is sent out!
    PVC Roofing Membrane Sheet

    PVC Waterproofing Membrane

    Sulong PVC waterproofing membrane widely used in underground construction to prevent the infiltration of water into the structure. It is a new polymer waterproofing membrane, which is made of high quality flexible (plasticized) polyvinyl-chloride.

    EVA Roofing Membrane Sheet

    EVA Waterproofing Membrane

    Take PE, EVA and synthetic material as the main materials with composite fabric as a protection layer. Lower cost than PVC waterproof membrane, it provides a lower cost proposal for your underground project.

    Finished Product Quality Inspection

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    Based on DIN53354 Standard or ASTM Standard (or other types of national standard), sampling fabric would undergo a grab test to meet customer requirement by in-house tensile strength tester.

    Inspectors set up related data and supervise the whole process step by step to get the result precisely.

    Approved Certificate

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    ISO9001 Certificate

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    ISO14001 Certificate

    SGS

    SGS Test Report

    CE Duct

    CE Certificate

    PVC Waterproof membrane and Vent duct tunnle project
    Waterproof Membrane Tunnel

    Application

    • • Highway projects
    • • Railway projects
    • • Building basements
    • • Hydropower station projects
    • • Underground oil storage projects
    • •Other projects like artificial lake, dam, water reservoir, grain storehouse, etc.

    Explore Our Projects

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    Guangzhou Metro Project

    Guangzhou Metro Project - China

    We signed a partnership with Guangzhou Municipal Group Co., Ltd in 2016. We cooperated with underground projects on Guangzhou Metro projects and Tianhe Smart City Urban Corridor to successfully provide ventilation system design and ventilation ducts for these projects.

    PVC Ventilation Duct for TMCLK HongKong

    TMCLK Project - HongKong, China

    Tuen Mun-Chek Lap Kok link–Northern Connection Sub-Sea tunnel section, as Hong Kong’s deepest, longest and largest sub-sea road tunnel. We have supplied 2500mm diameter ventilation duct in the past years.

    Haolebaoji Jian Raiway Projects

    Haolebaoji-Ji'an Raiway Projects - China

    It is a new strategic corridor for “North-South Coal Transport” in China, with a total length of 1813.5 kilometers, and is the world ’s longest one-time heavy-duty railway built in one operation. We have supplied the 2200mm diameter semi-rigid duct and lay flat duct since 2016.

    Melbourne Metro Rail Project Sulong Vent Duct

    Melbourne Metro Rail Project - Australia

    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.

    Northconnex tunnel Project

    Northconnex Tunnel Project - Sydeny, Australia

    This project will be one of the longest road tunnels in Australia. The approx. 9km long double tube tunnel north of Sydney connects the M1 motorway near Wahroonga with the M2 motorway in West Pennant Hills, thus connecting the city’s north to the 110km long bypass known as the Orbital Network. This will bring relief to Pennant Hills Road, which is being used by more than 5,000 trucks per day. We have supplied 1800 dia lay flat duct and 2100 dia semi rigid duct since 2017.

    India Hydropower Project

    Mai-Beni Hydropower Project - Ilam, Nepal

    Located in the middle reach of Mai river in IIam district in eastern part of Nepal, Mai Beni Hydropower Projects is a runoff river type hydropower of 9.51MW. We have supplied 550mm diameter ventilation duct since 2019.

    Nepal Hydropower Project 01

    Solu Khola (Dudhkoshi) Hydropower - Solukhumbu, Nepal

    This project is an 86 KW Run of River type of project located at Solukhumbu District, Sagarmatha Zone, Nepal. We have supplied the 1100mm dia oval ventilation duct and 800mm dia lay flat duct for this project since 2019.

    Coal Mine Project of ventilaiton duct

    Vatukoula Gold Mine Projects - Fiji Island

    We have supplied our ventilation ducts and ventilation fans to Vatukoula Gold Mines since 2016, It is the owner of the largest producing gold mine in Fiji. Already operating for over 75 years, their mine has produced in excess of seven million ounces of gold.

    • Guangzhou Metro Project
    • PVC Ventilation Duct for TMCLK HongKong
    • Haolebaoji Jian Raiway Projects
    • Melbourne Metro Rail Project Sulong Vent Duct
    • Northconnex tunnel Project
    • India Hydropower Project
    • Nepal Hydropower Project 01
    • Coal Mine Project of ventilaiton duct

    Global Business Partners

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