Scientific quality policy and meticulous management --- pursuing excellent quality, the enterprise has established a perfect quality assurance system, implemented iso22000-9000 quality management, equipped with professional training and assessment quality personnel and complete analytical instruments, and supervised and managed the whole process from raw material supply, product production, packaging, storage to transportation, A series of quality standard management procedures (SMP), standard operating procedures (SOP) and standard quality indicators (STP) have been formulated to ensure the quality of products. The certificate we hold has been developed for many years. The certificates of Lianyungang Tongyuan Chemical Co., Ltd. are as follows: hygienic food license / kosher / halal / iso22000-9000