Originally Posted by
SDHawk
I checked for the S/N. Nothing on BB, but just above on seat tube there was "D970". Does that help at all?
EDIT: looking at my pic, I see numbers that I missed initially

. So under the "D970" are these 6 numbers: 553473
I believe that it is actually
DS70
553473
That would make it a 1987 model manufactured in May by the Dodsun Bicycle & Machinery Company of Taiwan.