Our company is a professional supplier of molecular sieve and activated alumina.Our various specifications of carbon molecular sieve, molecular sieve 3A, 4A, 5A, 13X and activated alumina are served as desiccant, adsorbent and catalyst. Our CMS has been taken as standard goods by many big and medium-size PSA nitrogen manufacturers.Since we entered this field, quality has always been put in the first place during company development. All of our productions have awarded the authentication of ISO9001:2000 quality management system. They were really liked by our clients in the EU and America. Now we can provide various kinds of molecular sieve and activated alumina 8000MT and 30000MT respectively every year.Qingdao Delta International Trade Co., L is a ready to be enthusiastic to make friends, more willing to cooperate in good faith with friends and to get common development and progress!