the world junior wushu championships (wjwc) is an international wushu competition organized by the international wushu federation (iwuf) for competitors (both male and female) below 18 years of age. there are three categories for the taolu events (under 12 and under 15 and under 18 years of age but in 2006 only u15 &amp; u18). the competition also includes a sanda category until 2016, but was added u15 sanda from 2018.