I just discovered the name of this dendrobium while browsing the net. It is Dendrobium Woon Leng though others call it Woo Leng.
I can now take it off my NoID list. ;-)
Its parentage is Dendrobium Loan Sudharta x Dendrobium Yong Kok Wah.
This hybrid was registered by Chao Praya Orch. on the 1st of January, 1989.