The high speed train at China is over 70000kms, the speed is 300-400km/hour, it reduce the transportation cost and fast like plane. The goods produced at inside of China Cities or small town can be deliveryed it to biggest cities like ShenZhen,BeiJin,Shanghai,ZhengZhou to consolidation to pallets to be flyed to worldwide.
e.g: Tangyin County is a center of pharmacy and noodle food at HeNan province,China, their goods can be shipped by high speed train to BeiJin within 2 hours and to ShenZhen/GuangZhou just take 6 hours,
the flight at GuangZhou ,ShenZhen(SZX) and HongKong (HKG) have daily schedule to wordwide within 1day.
For your information, the feeder airport will be set up at TangYin county this year, in the near future, more convience to delivery the goods out with more cheaper cost.