以下设备和电路板的长期现金购买
华为osn 1500 osn 1800 osn 3500 osn 3800 osn 6800
OSN8800 BWS1600G整机或单板M1000 M3000
非统组织OBU OPU
UXCT AUX LTXT TDX TQX TQS TSXL ND2 NQ2 NS2 NS3 LSC SL64
SL16 ESFO et F8 cxl ln egs 4 egs 2 ELOM SL4
LDX ELOM ECOM LSXL LSXT MR4 MR8V XCS DCU贸发局TMX TBE MB2
ma 5606t 5683t 5680t GPBD EPBD GPBH GPFD C+c++
RTN 610 RTN 620 RTN 950 RTN 950 a RTN 910
中兴M600 M720 M721 M820 M920整机或单板
S200 S325 S330 S385整机或单板
SED * EIEF * 6 SEE * EFSE * 8/OEIFE * 8 OL16 OL64
c220 C320 C300 EPFC GTGH
LO2 LQ2 OA OBA OPA OLA ODU OMU otu 10g SEOBA EO和EOBAH
烽火5516 GC8B GCOB EC8B EC4B ECOB回收