Where is the school that trains downward welders and conducts textual research? Thank you.
The welder training school of Shandong Jinqueshan Vocational College is a professional training school for welding pressure pipes and pressure vessels in China, specializing in downward welding of cellulose covered electrode pipes: domestic and foreign professional cellulose covered electrode (E60 10, E70 10, E80 10). 0539-563 1088