The greenhouse roof spring is a component for steel frame greenhouses, featuring a round tube cross-linking function. This part is treated with electro-phosphate paint or directly processed with galvanized steel wire, offering corrosion resistance and elasticity, thereby extending its service life.
Tunnel Roof Spring, also known as Wire Clamp, is used for securing cross connections on greenhouse pipes. Made of steel wire, electro-phosphate coated or galvanized for rust prevention, it offers good elasticity, excellent locking effect, and is easy to install.
Model: 22-tube, 25-tube, and 32-tube sets for use together.
32 tubes - Wire diameter is 3.4 mm.
22 and 25 tubes -- wire diameter is 2.8 mm.
Dipped in plastic material:
For electro-phosphate spring steel wire, with a lifespan of over 5 years.

Elliptical tube fittings, elliptical tube clips, suitable for clamping 20mm tubes with 3/8", 25mm tubes with 1/2", and 32mm tubes with 1".

Elliptical tube base, universally applicable for supporting or welding 30mm thick elliptical tubes

Elliptical tube crown springs, made to order in bulk, minimum order quantity 5,000 to 10,000 pieces, specifications 25x50, card 25, 30.60 cartons 25, 3070c25, 3080pcs of 25, also available for custom-shaped card springs

Ellipse tube clamp, size 30x60，30x70，30x75，30x80