How to get from Zhuanghe to Qinhuangdao?

By train, you can only transfer in Dalian or Dandong (the distance between the two routes is about the same). Or take a car from Zhuanghe to Gaizhou, and then take a train from Gaizhou to Qinhuangdao (the total mileage is slightly shorter than changing trains in Dalian or Dandong, but you need to take a car).

From Zhuanghe to Gaizhou and then to Qinhuangdao.

From Zhuanghe to Gaizhou direction to Gaizhou Interchange direction to Qinhuangdao direction will do.