Shandong Zhiling Biotechnology Co., Ltd. is a leading professional manufacturer of natural yellow (marigold extract ) / Natural red (paprika extract ) pigments / Canthaxanthin / Apo-ester for the feed industry. Zhiling has it’s own modern factory with advanced production line for natural pigments & high-end feed additives,and integrated production facility of planting, extracting, R&D, deep processing & sales network.