Shijiazhuang Tianqiao Welding Materials Co., i hangaia a Ltd i te 2007 kei roto i te 30 kiromita ki te tonga tonga o shijiazhuang.

Ko o maatau wheketere he tino pai noa ki te 20 kiromita ki te hauauru o te huarahi nui a te motu 107, tata atu ki te huanui o Shixing me Jingzan.