poly house farrming,poly house steel structure is hot dip galvanized and covering film with UV, the arch hoop is roud pipes
poly house farrming, poly house steel structure is hot dip galvanized and covering film with UV, the arch hoop is roud pipes
poly house farrming,Coveing film, can have ventilation system, roll up film, also have sun shading net to provent the light into the greenhosue in the sunnmer hot weather.