Fruit trees in localtion Kyustendil

I am a farmerin the Kyustendil region of Bulgaria and i heve been growing the following varieties of cherries grafted onto Prunus Mahaleb since 2005:Stella,Bing,Van,Feroviya... I am offering guantities in exxcess of 150-200 tonnes with diameters ranging from 22-24 and 24-26 mm.

English translation is in progress or not avaiable.