BlackSheilds VcoolingShields series tub yees chav tsev yog tsim los raws li kev tswj kev nyab xeeb kev daws teeb meem rau txias saw logistics. Cov chav nyob tau teeb tsa kom muaj kev nyab xeeb thiab txhim khu kev qha rau hnyav / nruab nrab / lub teeb lub tub yees tsheb thauj mus los nrog cov yam ntxwv zoo, muaj kev ntseeg siab, me me, ceev txias thiab lwm yam.