China's ancient bow and arrow production technology is how?

The primitive bow and arrow production is simple and rough, the development of the Zhou Dynasty, the production technology gradually improved, to the Spring and Autumn and Warring States period, has formed a series of more complete technical level of high production technology. On the selection of materials, ingredients, production procedures, as well as specifications, there are strict regulations. To the Han Dynasty, the production of exquisite, mostly inlaid with copper and jade ornaments, and the production of poisoned arrows, that is, poison is applied to the arrowhead to increase its lethality.