ROLPEX sp.j. Onderski Home Photographs Rape Maize Fertilizers Carbon HOME Welcome. The company ZPHU ROLPEX sp.j. For over 20 years, Onderski has specialized in trading grains, rapeseed, coal and fertilizers. We are the main plant in our region, which has been buying rapeseed for many years for: We invite producers of rapeseed and other cereals to cooperate with us. Address: ZPHU ROLPEX sp.j. Onderski 62-641 Olszówka Krzewata 41a tel / fax. 63 27 30 385 e-mail: info@rolpex.biz www.rolpex.biz Home Photographs Rape Maize Fertilizers Carbon www.rolpex.biz