1, with a pressure cooker probably need about 30 minutes.

2, production methods: clean pork rinds, let go of the water to cook for 5 minutes; pull out the pig hair, scrape the grease, this step is very need to be patient; to clean up the pork rinds cut into thin strips; pot with water, water is about three times the pork rinds; pepper seasonings in the spice box, add some salt, taste of fresh soy sauce, soy sauce (do not like the color of not adding the old soy sauce) ginger and green onion; high heat boil, turn to a small fire slowly Simmer, about 1 hour; pick out the ginger, scallion, seasoning box, and then poured into a container, after cooling, into the refrigerator, solidified on the line.