how to choose the strawberry planting gutter

how to choose the strawberry planting gutter?

As  the following picture, top use bigger gutter, the under side use small gutter.

the top gutter plant 2 lines strawberry per gutter,  plant one line per small gutter.

The A steel frame as supporting vertical farming to save more space, total 4 layers or 3 layers gutters.

Three - dimensional planting groove product features.  
 
1. unique outer edge design, can avoid bending deformation.  
2. The trough is large and deep, so that more strawberries or vegetables can be grown.  
3. can be used for substrate culture and hydroponics  
4. for hydroponic, unique research and development of the lid, you can take the lid off, to avoid the shortcomings of some products is not easy to clean, not easy to replace the matrix  
5.the bottom floor water plate, can prevent long-term water.  
6. one input, can be used for 20 years, low cost  
7. to map or sample, can be customized according to customer demand production  
Strawberry gutter of various sizes.  Strawberry stereo planter size can be produced according to customer demand, length is unlimited