High zinc layer card slot springs are one of the main accessories for greenhouse film fixation. The card slots include single-layer zinc-plated, double-layer zinc-plated, and square card slots. The film pressing card slots and springs, as tools for fixing film in solar greenhouses, plastic single-span greenhouses, and plastic connected greenhouses, utilize rational inner angle design with self-locking functions.

Windproof groove for greenhouse film, also known as groove film, pressure film groove, greenhouse groove, U-groove, groove spring, dovetail groove, etc., brings you knowledge about the matching use of windproof greenhouse grooves and springs:

Greenhouse Windproof Groove: Made from hot-dipped galvanized steel sheet, scientifically rolled by equipment, offering excellent corrosion resistance, scientific shaping, high wind resistance, smooth surface without damaging the greenhouse film. Thickness: 0.5mm-0.8mm, width: 30mm, height: 12mm, fits double springs to enhance wind resistance. Length: 4m-6m, also available for custom sizing as per customer requirements.