Nikolay Zhelezchev
Managing director

nzhelezchev@diavena.com

Krasmir Petrov
Executive Director

+359 892 282 679 kpetrov@diavena.com

Diavena Ltd.

Shumen 9700, Industrialna 23A str, PO Box 75

+359 54 860 184 +359 899 814 640 diavena@diavena.com