What metro line should i take if to go to Shanghai Flower Port from Gucun Park?

Well, you are advised to take metro line 7 from Gucun Park to Longyang Road Station. Then transfer to metro line 16 to Lingang Avenue Station, Exit 4. The whole way takes around 2 hours 10 mins. And the ticket fare is CNY 11 per person. After arriving, take a taxi to the destination. The cab fare is CNY 15-20 in the day time.