Hi i'm indonesia and i have plan to travel to Shenzen and i'll take flight from Medan (Indonesia) direct to Hongkong then continue to Shenzen by train. I will be travelling to shenzhen early in the morning and go back to Hongkong in the evening and go back to HKG by train.I just want to ask that where i can obtain a shenzhen visa ? Kindly need your advice and Thank you very much for the response.