Gold beneficiation closed-end management, and we must attach great importance to factory workers, have deputy director in charge of production, and dedicated management; to regular closed-end management of publicity and education, to strictly enforce the requirements of closed-end management; to There is a set of strict rules and regulations, and strictly enforced; there are precise measurement, testing and monitoring methods, and strict metal balance management. There are strict precautions and guard systems, and attention is paid to strengthening the protection of key parts of gold production. Pet Film Grade Polyester Chips Pet Film Grade Polyester Chips,Pet Film Grade Polyester Chip,Resin Film Grade For Textile,Film Grade Pet Resin Jiangyin jietong international trade company , https://www.jietongresin.com