Low life cycle cost.

Low life cycle cost

With a strict quality control process, our modern production line of corrugated galvanized metal duct always meets all progress and quality.

With a strict quality control process, our modern production line of corrugated galvanized metal duct always meets all progress and quality.

Modular expansion joints have the advantages of good water resistance, large displacement, easy installation and maintenance, long service life, smooth and stable for vehicle driving, etc.

Expansion joints have a simple structure, easy to install and high stable.

Apply for expansion joints with small movement, from 0 to 80 mm.