Shanghai Hengyu Molecular Sieve Co., Ltd founded in 2002. It located at Shanghai Fengxian district, is an ISO 9001:2000 certified company, specialized in desiccants占�oduction with its advanced equipments and manufacture technology.Our main products including Molecular Sieves, Activated Alumina, Silica Gel and Catalysts, among which PSA-O2(VSP), XH series and some nickel, silver and Pd catalysts are the most popular required by our costomers.Products widely used in Air-Separation, Petrochemical industry and natural Gas industries, Gas purification, Insulating glass industries, Refrigerants purific-action and paibting industries.Our company focus on the principle of 占�uality prior to everything, while customers tobe the first占�so as to offer a satisfied service to all of our customers. As it to say: after all is said and done, quality and service make the differenvce. If you are intersted in our products email me or call me.