The main uses are: food: health food, coffee partner, juice drink, bread ham and special food; Feed: Pet keeping; Medical: materials for making sutures; Gelatin: is a kind of environmental protection glue material, can be made high speed Luther green trademark with glue; Leather tannins, adhesives, etc.. Paints: waterproof, fire protection, environmental protection, decorative coatings, plastic processing AIDS: electrochemical: can be used for non-ferrous metal recovery; Textile industry: also used for high voltage electrical insulation accessories, piano keys, buttons, buttons, beaded plastic ingredients, aerospace materials. Products are widely sold to Europe and the United States, the Middle East, Central Africa and Southeast Asia and other countries and regions, in the domestic Guangzhou, Shandong, Jiangsu, Henan and other places have 4 sales offices.