2 trademarks were found for owners matching the name Dong Yang Chemical Co., Ltd..
#Classstatus
1 S:98058376
M:SINCE 1975 DYC DYC CODEA

O:Dong Yang Chemical Co., Ltd.
21 Dead
2 S:87284592
M:ROYAL VALE

O:Dong Yang Chemical Co., Ltd.
21 Dead
Trademark Alertz updated from USPTO on 2030-01-24