I. The shrimp shell:
   Specification:
     + Moisture: 10% max
     + Impurity: 5%max
 Packing:  25kg/pp bag, with 13.5mts/fcl 40feet
- Capacity supply: 50mts
II. Crab shell
 Specification:
      + Moisture: 10% max
      + Size: 0.5 - 6 cm
Packing: 35kgs/pp bag, with 13.5mts/fcl 40feet