The A type layer cage including automatic feeding system, egg collection system,and manure removal systems and ventilation system. Because of its easy operation, high labor productivity and lower investment, more medium farm choose to take A type layer ca
Galvanized greenhouse pipe is the current mainstream greenhouse support material, which has the advantages of light weight, low price and long service life.
The mouth mask is equipped with a deformable nose clip. The length of the nose clip is not less than 8.0 cm. It is convenient to take out and carry. The breaking strength at the connection point of each mask tape and the mask body should not be less than