E fumaneha Gongyi mme ke limithara tse 200 feela ho tloha seteisheneng sa terene. Wangda Machinery ke setsi se matla sa ho etsa mochini oa litene naheng ea China. E le setho sa China Bricks & Tiles Industrial Association, Wangda e thehiloe ka 1972 ka phihlelo ea lilemo tse fetang 40 tšimong ea tlhahiso ea mochine oa litene. Wangda Brick Make Machine e tšeptjoa haholo ke bareki, e rekisitsoe ho liprofinse tse fetang mashome a mabeli le bomasepala ba Chaena hape e romelloa ka ntle ho Kazakhstan, Mongolia, Russia, Korea Leboea, Vietnam, Burma, India, Bangladesh, Iraq, joalo-joalo.