Tunnel · Subway · Underground Infrastructure

Waterproofing & Grouting Manufacturer

Polyurethane Chemical Grouting, Epoxy Injection, and Polyurea Grouting — manufactured for global export.

Industry Recognition

Trusted by Industry Leaders

Materials supplied to projects led by major construction groups and real estate developers.

China State Construction (CSCEC)
China Railway Group (CREC)
China Metallurgical Group (MCC)
China Communications Construction (CCCC)
China Tunnel Construction Bureau
CSCEC Bureau 1
CSCEC Bureau 3
CSCEC Bureau 8
China State Construction (CSCEC)
China Railway Group (CREC)
China Metallurgical Group (MCC)
China Communications Construction (CCCC)
China Tunnel Construction Bureau
CSCEC Bureau 1
CSCEC Bureau 3
CSCEC Bureau 8
Wanda Group
Country Garden
Dahua Group
Hongyang Real Estate
Suning Real Estate
Suzhong Construction
Nantong Construction
Nantong No.4 Construction
Wanda Group
Country Garden
Dahua Group
Hongyang Real Estate
Suning Real Estate
Suzhong Construction
Nantong Construction
Nantong No.4 Construction
About Yifeng

Grouting & WaterproofingMaterial Manufacturer

Jiangsu Yifeng Waterproof Technology Co., Ltd. manufactures chemical grouting and waterproofing materials for tunnels, underground utilities, and structural crack repair.

The Hubei production base operates a fully integrated chain — R&D, slurry and coating manufacturing, and packaging — under ISO 9001 quality management. The same system governs both standard supply and OEM/ODM custom batches.

A dedicated chemical engineering team supports formulation customization across varied substrates and site conditions. Materials have been deployed in metro rail, tunneling, and underground utility projects.

Learn more about us
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Why Yifeng

End-to-End R&D and Production, Direct from the Factory

From raw material processing to finished delivery — a complete production chain serving contractors and procurement teams worldwide.

R&D Formulation

In-house chemical engineering team with formula adjustment and OEM/ODM capability for custom requirements.

Hubei Manufacturing Base

Multiple production lines covering coatings, slurries, and packaging — full vertical integration.

Quality Control

Standardized inspection at every stage, from raw material intake to outbound shipment, backed by ISO 9001.

Global Export

Container-ready packaging, multilingual technical support, and experience supplying overseas B2B buyers.

Case Histories

Repeatedly Specified on Critical Projects

Our materials have been deployed across metro systems, road tunnels, and underground utilities, where stable performance under wet, dynamic, and high-pressure conditions is non-negotiable.

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Project 1

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Project 2

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Project 3

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Project 4

Need a Quote for Your Next Project or Order?

Formulation, samples, pricing, and MOQ — for contractors and distributors.