1) PVC rail 2) Cast iron floor for sow, plastic floor for piglet 3) 2 drinkers for sow and piglet, 4) One thermal box Scope: Period of sow producing and piglet feedingComponent: 1. PVC Panel rail of stall 2. Cast iron feed trough for sow, plastic feed trough for piglet3. Floor net combined plastic and casting iron, iron casting floor net, iron castingsteel beam.4. One glass fiber thermal box,5. ...