ZAK S.A. is since 60 years one of the biggest chemical industry producer based in Poland. Company offer includes product solutions for the following sectors:

• agriculture
• building industry
• chemicals processing industry
• plastics processing industry

ZAK also offers: plasticizers for plastics processing; including processing of PVC and chemicals for its processing, OXO alcoholes and phthalic anhydride. The plasticizers group includes: Oxoplast® O, Oxoplast® IB. ZAK also produces the maleic anhydride, butyric aldehydes, nitrate and the nitrite of sodium, ammonia, nitric acid and other chemical industry substrates.

ZAK owns a brand of nitrogen fertilizers Salmag® and ammonium nitrate - Kędzierzyńską Saletrę Amonową® and carbamide. Ammonia, nitric acid are being ade out of natural gas, air and water .