Unskin the shrimps and remove the Black organ inside the shrimps. then soak them into salty water for half an hour.
Wash the Pak Choi, then chop into tiny pieces.
Mix all the seasoning in a small bowl.
Mix the pork, Pak Choi with the well mixed seasoning.
Place the wanton skin into center of palm, put teaspoon size portion of the mixed ingredient into the center of the skin. then put a shrimp on top of the mixture. Half fold the wanton skin, use water to seal the edges. Half fold the skin one more time, bend the wanton and then seal the 2 end togetder with water.
Heat up the chicken stock with water.
Boil 1 litre of water in separate saucepan. Put in all the wantons to steam for 10-15mins at medium heat.
Drain water from the wantons saucepan.
Put the wantons into the pre-heated chicken stock and heat for another 2-3mins.
Add chopped chieves on top and serve in individual bowls.