Good performance of corrosion resistance Made of stainless steel or gal. steel two sets of bearing built in to ensure smoth

Good performance of corrosion resistance Made of stainless steel or gal. steel two sets of bearing built in to ensure smoth

Good performance of corrosion resistance, telescope shaft mad of stainless steel or gal. steel,  two sets of bearing built in to ensurce smooth moving of shaft, customized length is available too.

It is widely used for greenhouse ventilation, livestock ventilation or curtaining system.

Telescope tube for side curtain