Hanghai Jiezhou Engineering & Mechanism Co., Ltd. (izwi ku izina rya "DYNAMIC") ni uruganda rw'umwuga rukora ibintu bya sima byo ku rwego rw'isi mu nganda z'imihanda. Iherereye mu mujyi wa Shanghai mu Bushinwa, Dynamic yashinzwe kuva mu 1983 kandi yagize uruhare mu mishinga itandukanye yo kubaka imihanda mu gihugu no mu mahanga. DYNAMIC ishingiye ku miterere y'ubumuntu, ibicuruzwa byacu bifite isura nziza, ubwiza bwizewe n'imikorere ihamye ituma wumva umerewe neza kandi umerewe neza mu gihe cy'ibikorwa. Byemejwe na ISO9001 Quality System na CE Safety System.