Yak is known asthe boat of plateau.It’s peculiar cattle species which is grown in the TibetanPlateau of China and its adjacent areas alpine grassland.In Tibet language it’scalled yag.It has been more than 3000 years of domesticated yak history and nowthere are more than 12 million existing yak located inQinghai,Tibet,Sichuan,Gansu and other provinces,more than 85% of the totalnumbers in the wolrd.The others are located in Mongolia,Russia and central Asiaarea. Yak is mammal which lives at the highest altitude in the world.

 Yak hair is collected once a year,the hairyield annual output of adult yak is 1.17-2.62kg;the annual output of youngcattle is 1.30-1.35kg,and the coarse hair and villi take up half of each.Yakhair is very fine and the diameter is less than 20 microns,the length is3.4-4.5cm.There are irregular bending and scales are annular and embracetightly with soft luster and strong elasticity,slippery hand feeling.Yak hairis softer than normal wool and it can keep warm better,it has been applied inthe field of clothing production in recent years.At present,we have yakcashmere blended yarn and pure yak yarn.With the improvement of processingcraft and technology,yak hair will be widely recognized and become another high-gradetextile raw material.