Manual winch for greenhouse ventilation
USD $1 - $50 /Piece
Min.Order:50 Pieces
Beijing Fenglong Greenhouse Technology Co., Ltd.
It is widely used for greenhouse Side ventilation and poulty house ventilation, roll up film height is 5 meter, and roll up length is 100 meter, speed ratio is 5:1.
It added transition gear in te transmission system to ensure more steady performance.