Kuyambira Marichi, kampaniyo yalandira maoda ambiri kuchokera kwa makasitomala, kuphatikiza maoda ambiri odula ng'oma. Odula ng'oma ndi ofunika kwambiri kwa Yichen Company. Kumayambiriro kwa kukhazikitsidwa kwa kampaniyo, zida zoyamba zopangidwa ndi ng'oma, zomwe pamapeto pake zidagwiritsidwa ntchit......

Chaka chatha, kasitomala wochokera ku New Zealand adaphunzira za makina odula ng'oma a Yichen kuchokera pa intaneti. Atayerekeza opanga angapo, adasankhabe Yichen Company.

Sludge ndi imodzi mwazinthu zogwirira ntchito zomwe gulu la zomangamanga nthawi zambiri limakumana nalo panthawi yomanga. Pofuna kuonetsetsa kuti ntchitoyo ndi yabwino, matope nthawi zambiri amafunika kuthandizidwa. Njira zambiri zochizira zinyalala ndizochotsa ndikusintha.

M'dambo la Shaoxing, ma seti awiri a Yichen okhazikika a dothi amaikidwa pa zofukula za Hitachi 250, ndipo dambo likukhazikika pamalopo.

Yichen excavator rock saw (yomwe imadziwikanso kuti circular saw, mountain saw, cutting saw, stone cutter, etc.) ndi zida zodulira mofulumira zodula zolimba komanso zowonongeka monga konkire, thanthwe, ndi miyala. Makamaka podula mwala wachilengedwe, Yichen rock saw ili ndi maubwino osayerekezeka.

Konkire ndiye chinthu chofala kwambiri m'magulu amakono ndipo amapanga zomangamanga zamizinda. Pakudula konkire ya simenti, zovuta zimakhala muzitsulo zazitsulo. Mipiringidzo yachitsulo imakhala yolimba kwambiri ndipo imakhala yovuta kudula.