Shijiazhuang Tianqiao Welding Materials Co., i whakaturia Ltd i 2007 kei roto i te 30 kiromita i roto i te tonga tonga o shijiazhuang.
He tino watea a maatau waka wheketere 20 kiromita noa ki te hauauru o 107 huarahi motu, tata hoki ki te huarahi nui o Shixing me Jingzan.