Wushu Tao
(https://www.wushu-tao.com)
Writing sheet of the characters : - sān bǎo 三宝 (Les 3 trésors (Jing, Qi, Shen))
   
For more informations about these characters and their pronunciations, consult this page :
https://www.wushu-tao.com/page_ac_liste_car.php