Blistered String Beans With Pork

• 1,000 gr string beans
• 700 ml oil
• 190 gr pork (ground)
• 60 ml water
• 60 ml chicken broth
• 20 ml dry sherry
• 10 ml szechuan mustard green
• 5 ml soy sauce
• 5 ml sesame oil
• 1 gr shrimp (dried)