Ua hoʻokumu ʻia ʻo Shijiazhuang Tlanqiao Welding Materials Co., Ltd. i ka makahiki 2007. ʻO kā mākou huahana nā ʻano o ka welding electrodes me ka brand "TIANQIAO", "Yuanqiao", "Changshan", e like me ke kila kalapona haʻahaʻa, ke kila kila haʻahaʻa, ka wela-pale kila, kila wela haʻahaʻa, kila kuhiliʻole, hao hoʻoheheʻe ʻia, nā electrodes wiliwili i luna paʻa.ʻO nā ʻano like ʻole o ka sintered flux a me nā ʻano like ʻole o ka uwea kuʻi ʻana a me nā pauka kuʻihao hui ʻia.Loaʻa i kā mākou huahana ka hana maikaʻi loa, ka maikaʻi paʻa, ka hoʻoheheʻe ʻana i ka nani, ka wehe ʻana i ka slag maikaʻi, ka hiki ke pale aku i ka rust, stomata a me ka māwae, maikaʻi a paʻa hoʻi i waiho ʻia me ka hana mechanics.