Kusankhidwa kwa opanga ma switch osalowa madzi

Tinganene kuti pali mfundo zambiri posankha opanga masiwichi osalowa madzi, ndipo aliyense ayenera kumvetsetsa mfundo yofunika kwambiri.Ndiko kunena kuti, aliyense ayenera kuyang'ana ziyeneretso zomveka, ntchito zokhazikika, kasamalidwe kovomerezeka, ntchito zabwino komanso zolipiritsa.Opanga omwe amakwaniritsa mfundozi atha kupatsa aliyense njira yopangira imodzi yokha kwa aliyense.Perekani zosiyanasiyana mankhwala.

Yueqing Tongda waya fakitale anakhazikitsidwa mu 1990, moganizira kafukufuku ndi chitukuko, kupanga ndi malonda a zinthu zosinthana pakompyuta monga masiwichi yaying'ono ndi zosinthira madzi yaying'ono.Zogulitsazo zadutsa UL, C-UL, ENEC, VDE, CE, CB, TUV, CQC, KC ndi ziphaso zina zachitetezo zapakhomo ndi zapadziko lonse, ndipo adalandira chiphaso cha ISO9001