Nekuda kwekuziva kwakawanikwa makore anopfuura makumi maviri, HEBEI SANSO MACHINERY CO., LTD inokwanisa kugadzira, kuvaka nekuisa ERW welded chubhu chigayo chekugadzira machubhu muhupamhi kubva pa8mm kusvika 508 mm dhayamita, ichiagadzira zvinoenderana nekumhanya kwekugadzira uye ukobvu uye kutsanangurwa pane yakatarwa nevatengi.
Kunze kwakazara welded chubhu chigayo, SANSO inopa ega zvikamu zvekutsiva kana kubatanidzwa mune iripo welded chubhu chigayo: uncoilers, pinch uye leveling muchina, otomatiki kugera uye kupera welding muchina, horizontal spiral accumulators, uye yakazara otomatiki yekurongedza muchina.