other new eco fibers 1, casein fibers (commonly known as milk fiber): the worlds only industrial production of casein protein fiber is Toyobos Chinon, but due to the extraction of only 4kg 100kg milk protein, higher manufacturing costs, so...

regenerated protein fibers Regenerated protein fiber is abundant raw materials, people use can not be spun protein fibers (pig, human hair and feathers, goat hair, etc.) and protein fiber waste material, can be made into animal protein fibe...