Pajoohesh Sanat-e-Ab Co. Acknowledgements Beyhaq Industrial Slaughterhouse Amol Toiour Toiour Pak Industrial Slaughterhouse The second exhibition in presenting the achievements of knowledge-based companies Birjand Zarin Toiour Slaughterhouse Birjand Zarin Toiour Slaughterhouse Association of Industry Managers Toiour Moghadasi Industrial Slaughterhouse Shirin Khorasan Company Noavaraneh Food Industries Toiour Moghadasi Industrial Slaughterhous