No.

New trademark

Old trademark

International or national standard product trademark

1

CYD-128

CYD-128

YD-128,D.E.R331, EPON828

2

CYD-134

CYD-134

YD-134,R144

3

E-44

E-44

GB-01451

4

E-42

E-42

GB-01551

5

E-39D

E-39D

6

CYD-127

CYD-127

YD-127,D.E.R330,EPON827

7

CYD-128Y

CYD-128Y

YD-128G

8

CYD-128S

CYD-128S

YD-128S

9

CYD-115

CYD-115

YD-115,EPON815

10

CYD-115C

CYD-115CA

YD-115CA,EPON815XA

11

CYD-011

CYD-011

YD-011,R301

12

CYD-011A

CYD-0111

YD-0111

13

CYD-012

CYD-012

YD-012 , D.E.R662 , EPON1002

14

CYD-013

CYD-013

YD-013 , D.E.R663U

15

CYD-014

CYD-014

YD-014 , D.E.R664 , EPON1004

16

CYD-014U

CYD-014U

YD-014

17

CYD-014A

CYD-014UI

YD-014 ,

18

CYD-014T

CYD-014T

YD-014

19

CYD-017

CYD-017

YD-017 , D.E.R667 , EPON1007

20

CYD-019

CYD-019

YD-019 , D.E.R669 EPON1009

21

CYD-020N

CYD-020N

YD-020N

22

CYD-011X75

CYD-011X75

YD-011X75 , R301X75

23

CYD-011AX75

CYD-0111X75

YD-0111X75

24

CYD-128T97

CYD-128X97

YD-128

25

CYD-128T95

CYD-128X95

YD-128

26

CYD-128T75

CYD-128X75

YD-128

27

E-44T97

E-44X97

GB-01451-310

28

E-44T95

E-44X95

GB-01451-310

29

E-44T90

E-44X90

GB-01451-310

30

CYDB-450A80

CYDB521-A80

D.E.R521-A80,YDB-500EK80

31

CYDCN-195

YECN-195

YDCN-701P

32

CYDCN-200

YECN-200

YDCN-702P

33

CYDB-500

CYDB-500

YD-901

34

CYDB-700

CYDB-700

YD-902,YD-903

35

CYDB-900

CYDB-900

YD-903,YD-904

36

CYDB-400

CYDB-400

YD-900

37

CYDPG-207

EPG-207

PG-207

38

CYDHD-531

T-31

G-625A