Yathu
Grey Whale Technology ili ndi mzere umodzi wosaluka wa singano wokhala ndi m'lifupi mwa mamita 2.2 ndi wina wokhala ndi m'lifupi mwa mamita 2.6, mzere umodzi wopangira zotchingira ndi zoyika, mzere umodzi wopangira zokutira, makina asanu osokera okhazikika a mizere itatu, zida zothandizira zopangira 65, ndipo ili ndi zida zapamwamba zoyesera zosefera. Pakadali pano, ili ndi maziko opangira chimango (thumba la khola) ku South China, yokhala ndi mizere isanu ndi itatu yopangira thumba la khola la thumba lokhazikika, komanso thumba lathyathyathya ndi mizere yapadera yopangira khola la thumba.
