1. The film is installed with the white side facing out and the black side facing in. 2. Installing loosely in summer, installing tightly in autumn and winter. 3. Pesticides will accelerate the aging of the film, must avoid sulfur fumigation, avoid spraying pesticides directly on the film 4. Try to avoid contact between plant irrigation, heating and other equipment and the trellis film; 5. The film should be stored in a shaded and dry place to avoid high temperature exposure and should not exceed 6 months. 6. Spraying white paint or anti-rust treatment at the greenhouse skeleton, and no burr on the arch bar in contact with the film.BHB film is a new type of blackout heat blocking film launched by Beijing Fenglong, which adds black layer in the middle to form three layers of white, black and white.Warehouse and yard outer cover  Edible mushroom cultivation Poultry farming