Mingder Double layer Belt type color sorter machine, HDPE, PP, PE, PET plastic flakes color sorting machinery with best performance by detecting from double sides. Welcome to test our machine at any time !! --Hefei Mingde Optoelectronic Technology CO., LTD www.hefeimd.com/en Mobile/whatsapp: 008613966725592 SKype: dianahongsmile Tel: 0086-551-62578095 Email: dianahong@hefeimd.com