my source is right brother.
honda and dyl are the 2 companies who export their bikes to bangladesh and afghanistan.
all chinese bikes are being exported to one country or the other.
the dealers would know better.
but what i have heard is DYL is best known for its quality, and has better engine then metro, and all other chinese bikes.
there are categories in this : A+, A, B+, B...
it is known that DYL buys the A quality engine products, whereas all other chinese bikes buy the B+ category.
also DYL has a name and a standard, which i think no other bikes have.
the goodwill also matters brother, and so does the quality!