Para-aramid yarn is made of para-aramid staple fiber by spinning process. It has the characteristics of high temperature resistance, high strength and anti cutting.
Corrugated sheets are roll formed by roll forming machines,the corrugated shape and color have rich varieties and style,galvanized steel sheet are featured with easy installation,high strength,more economic,wear well,non-fading.widely use as the wall or r
At the beginning of the 13th century, masks only appeared in the Chinese court. In order to prevent their breath from spreading to the emperor's food, the waiter used a kind of silk and gold thread cloth to make a mask