▁a ▁renew ed ▁contract ▁with ▁Gu ang z hou ▁R & F ▁until ▁the ▁end ▁of ▁the ▁ 2 0 2 1 . ▁ 2 5 ▁January ▁ 2 0 1 7 , ▁Gu ang z hou ▁R & F ▁confirmed ▁that ▁E ran ▁Z ah avi ▁signed ▁a ▁renew ed ▁contract ▁with ▁Gu ang z hou ▁R & F ▁until ▁the ▁end ▁of ▁the ▁ 2 0 2 0 . ▁ 2 5 ▁January ▁ 2 0 1 7 , ▁Gu ang z hou ▁R & F ▁confirmed ▁that ▁Wang ▁Song ▁and ▁X iao ▁Z hi ▁signed ▁a ▁renew ed ▁contract ▁with ▁Gu ang z hou ▁R & F . ▁ 7 ▁February ▁ 2 0 1 7 , ▁Gu ang z hou ▁R & F ▁confirmed ▁that ▁Ch ang ▁Fe i ya ▁signed ▁a ▁renew ed ▁contract ▁with ▁Gu ang z hou ▁R & F ▁until ▁the ▁end ▁of ▁the ▁ 2 0 1 9 . ▁ 2 1 ▁February ▁ 2 0 1 7 , ▁Gu ang z hou ▁R & F ▁confirmed ▁that ▁Ren atin ho ▁signed ▁a ▁renew ed ▁contract ▁with ▁Gu ang z hou ▁R & F ▁until ▁the ▁end ▁of ▁the ▁ 2 0 1 9 . ▁ ▁Co aching ▁and ▁medical ▁staff ▁ ▁{ | class =" wik itable " ▁| - ▁! Position ▁! St aff ▁| - ▁| Head ▁coach || ▁Drag an ▁Sto jk ović ▁| - ▁| row span =" 2 " | Ass istant ▁coach es || ▁Ž ark o