Sobre nosotros SULONG

Jiangsu Sulong Eco-Technologies Co., Ltd. is a National High-Tech Enterprise and a provincial-level "Specialized, Refined, Unique & Innovative" SME. We deliver 100% in-house, automated production of high-grade composite polymer mining & industrial ventilation ducts (PVC/PE/TPU/TPO), with all processes self-produced and no outsourced manufacturing. Equipped with industry-leading seamless one-piece forming technology, our products feature tensile strength up to 4300N and carry internationally recognized certifications including ISO 9001, ISO 14001, ISO 45001, EU ATEX, CE, US NFPA 701, as well as test reports certified by Australian NATA laboratories. We are a long-term strategic supplier for top global mining enterprises including Zijin Mining and JCHX Mining, supporting their mining projects worldwide.
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Equipo de clase mundial
Graduados de universidades líderes a nivel mundial
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I+D avanzada
Desarrollado internamente
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Enfoque en innovación
Múltiples tecnologías innovadoras

Nuestros productos

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Spiral Ventilaiton Duct

Spiral Ventilaiton Duct

Modelo: Ф600mm×10m, Ф1200mm×10m, Ф1800mm×10m, Ф2500mm×5m etc.
Parámetros: 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

Flexible Ventilation Duct

Modelo: Ф760mm×10m, Ф1015mm×10m, Ф1400mm×10m, Ф1600mm×10m, Ф2800mm×100m etc.
Parámetros: 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.

Galería de la empresa

Certificaciones y premios

Quality Management System Certification
Quality Management System Certification
SGS Test Report
SGS Test Report
EU ATEX Type Examination Certificate for Explosion-proof Ventilation Duct
EU ATEX Type Examination Certificate for Explosion-proof Ventilation Duct

Casos de éxito

Xi'an-Chengdu Railway Project

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

Ubicación: CN 📦 Quantity: 20 km
Melbourne Metro Rail Project

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

Ubicación: AU 📦 Quantity: 9 km
Trunk Road T2 Tunnel

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

Ubicación: HK 📦 Quantity: 5 km
Guangxi Beibu Gulf Project

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

Ubicación: CN 📦 Quantity: 30 km
Global Tier-1 Mining Conglomerate and EPC Contractor

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.

Ubicación: GLOBAL 📦 Quantity: 20km per year

Videos de la empresa y productos

Introducción a la empresa y tour por la fábrica

⏱ Duration: 3:45 | 👁 Views: 15,230

Demostración del producto - Kestrel K-1

⏱ Duration: 5:12 | 👁 Views: 28,450

showcase de innovación tecnológica

⏱ Duration: 4:30 | 👁 Views: 12,890

Testimonios de clientes y casos de éxito

⏱ Duration: 6:20 | 👁 Views: 9,650

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