本公司常年回收交换机：2403h-ei,2126-ei,3026c,3026c-si,3126c,5012g,5024g,5624p,5648p,3928p-si,3928tp-si,3928p-ei,3952p-si,3952p-ei,3526c,3552g,3528g,5516，3050c,6506r,6506,6503,6502...
65全系列模块和引擎：LS8M4220,LS8M448，LS8M4SRPG，LS8M1SRPG，LS8M1FT48A，LS8M1FT48E，LS8M1FP48，LS8M1FS24A，LS8M1FM24A，LS8M1GT8UA，LS8M1GT8UE，LS8M1GB8UA，LS8M1GP8UB，LS8M1GT20A，LS8M1GP20A，LS8M1GT48，LS8M1T12P，LS8M1P12T，LS8M1TGX1C...
其他交换机模块：LSHM1GP8P，LSHM1XK1P，LSHM1XP2P，LS-GT4U，LS-GS4L，LS-GL4L，LS-GP4L，2016c-fm1ua,2016c-fs1ua,gmiu,gm1ua,gsiu,gs1ua,gtiu,st1ua,fs1ua,fm1ua...
安全系列需要：华为eudemon100,eudemon200,eudemon500,100f,100v,100n,500f,1000f