What are the famous brands of black pork in China? The kind of black pig?

I think the brand "Jingqishen" is good. What are its characteristics?

Thoroughbred: It was bred by 12 generation through the hybridization test of excellent black pig breeds at home and abroad. It has the characteristics of good meat quality, vigorous vitality and strong disease resistance.

Good food: feed high-quality northeast corn, soybeans and other grains, without adding lean meat, hormones, antibiotics and other substances harmful to human body.

Good water quality: drinking water is pollution-free and high-quality water extracted from Changbai Mountain basalt.

Good farming method: free-range farming in Changbai Mountain forest.

Good air: Changbai Mountain forest oxygen bar, enjoy the natural epidemic prevention barrier.

Excellent quality:

No harmful substances are added in the whole process of breeding and processing;

Cholesterol: the average cholesterol content per 100 grams of meat is 5 1.9mg, which is lower than half of that of industrialized captive white pigs; The content of unsaturated fatty acids beneficial to human body is 23.79%, which is more than 6% higher than that of industrialized white pigs.

Meat color: Mountain black pig has many red muscle fibers, and the meat color is high-grade beef color. Because it is a black pig breed, black hair roots can be seen under some epidermis; However, the red muscle fibers of white pork in factory captivity are less and look lighter than the former.