Just wanted to make top wines Johnny Graham Piece by piece he created the preconditions for this only their own grapes are processed only from the Cima Corgo and only from Arecords which is the best region and from the best vineyards

What is the correctly punctuated version of this sentence?
Just wanted to make top wines Johnny Graham. Piece by piece he created the preconditions for this: only their own grapes are processed only from the Cima Corgo and only from A-records, which is the best region and from the best vineyards.