Can Liaocheng Emergency Management Bureau handle welder's operation certificate?

You can't. Liaocheng Emergency Management Bureau is a place to deal with emergencies, and it is not allowed to go to relevant departments to get welder's operation certificate. Liaocheng is a prefecture-level city under the jurisdiction of Shandong Province, located in the west of Shandong Province, bordering Jinan City and Tai 'an City across the Yellow River in the southeast and Henan Province across the Jindi River in the south.