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Mbalame za mbalame zimatengedwa kuti ndi imodzi mwa njira zotetezera mbalame zomwe zimapezeka kwa nkhunda, nyanja, akhwangwala, ndi mbalame zofanana.

Hebei JinShi Industrial Metal Co., Ltd. ndi kampani yopanga ndi kugulitsa zinthu zachitsulo, yomwe ili m'chigawo cha HeBei, China. Ndipo inakhazikitsidwa ndi wamalonda Tracy Guo mu 2008. Ganizirani za "chitetezo cha chilengedwe" ndi "Chitani bwino nyama, khalani mogwirizana!". Tidadzipereka ku R&D yazinthu zowongolera mbalame. Makamaka kuphatikizazitsulo zosapanga dzimbiri mbalame spikes pa PC maziko,100% zosapanga dzimbiri mbalame spikesndi100% polycarbonate mbalame spikes, ndi zina.