About company

"PIAST" Jan Kołodziej is a company operating on the Polish market since 1990.


We are currently conducting a large-scale cooperation with farmers and production companies in the field of contracting, purchasing and supply grain mustard.
Our offer includes mainly: yellow mustard seed, brown mustard seed, oriental mustard seed, mustard seed for catch crop, sowing mustard seed, mustard seed for food, mustard seed for industry, mustard seeds for the purpose of rehabilitation.