. ▁He ▁was ▁promoted ▁to ▁a cademy ' s ▁first ▁team ▁Shang hai ▁East ▁Asia ▁squad ▁in ▁ 2 0 0 7 ▁and ▁followed ▁Shang hai ▁East ▁Asia ▁to ▁win ▁promotion ▁to ▁the ▁second ▁tier . ▁He ▁didn ' t ▁play ▁as ▁a ▁regular ▁st arter ▁until ▁ 2 0 1 1 , ▁when ▁some ▁regular ▁players ▁such ▁as ▁Wang ▁Ji ay u , ▁C ao ▁Y und ing , ▁Ji ang ▁Z hip eng ▁and ▁Z hang ▁Lin p eng ▁left ▁the ▁club . ▁App ear ing ▁in ▁ 2 1 ▁league ▁match , ▁he ▁was ▁selected ▁into ▁best ▁squad ▁of ▁ 2 0 1 1 ▁League ▁One ▁season ▁by ▁S ina . ▁Sun ▁made ▁ 2 2 ▁league ▁appearances ▁in ▁the ▁ 2 0 1 2 ▁season , ▁as ▁Shang hai ▁East ▁Asia ▁won ▁the ▁champions ▁and ▁promoted ▁to ▁the ▁top ▁flight . ▁In ▁January ▁ 2 0 1 4 , ▁Sun ▁was ▁signed ▁for ▁fellow ▁Chinese ▁Super ▁League ▁side ▁Shang hai ▁Sh en x in . ▁ ▁Sun ▁joined ▁Shang hai ▁Sh en h ua ▁at ▁the ▁beginning ▁of ▁the ▁ 2 0 1 7 ▁league ▁season , ▁however ▁was ▁unable ▁to ▁register ▁for ▁league ▁matches ▁due ▁to ▁the ▁club ▁having ▁reached ▁their ▁maximum ▁transfer ▁slot ▁limit ▁and ▁he ▁played ▁for ▁reserve ▁team ▁instead . ▁On ▁ 7 ▁February ▁ 2 0 1 8 , ▁Shang hai ▁Sh en h ua ▁officially ▁announced ▁Sun ' s ▁inclusion ▁in ▁the ▁club ' s ▁first ▁team . ▁He ▁made ▁his ▁debut ▁for