Mapepala a Sichoan Opera Omanga Com., Ltd. adakhazikitsidwa mu 1976, poyamba ngati wopanga makina amalonda. Kuyambira 1992, zakhala zikupanga ma trakitala ang'onoang'ono (25-70 hp), makamaka amagwiritsidwa ntchito poyendetsa zinthu m'mapiri ndi ulimi wa zaulimi.