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 ...