Amazon signs deal with Slask Wroclaw Marek Drabcyzk, the vice chairman of Slask Wroclaw, added: “We are proud that Slask can take advantage of such renowned partner’s support. Amazon is said to be one of the biggest company on global market. I am sure it will give our region chance of development. This partnership should give both sides a lot of satisfaction. I do believe that this is just a beginning of a long-term partnership."