Shanghai TOP Molecular Sieve Co., Ltd. is one of the top manufacturers of Absorbents such as Molecular sieve Adsorbents, Activated Alumina, Silica Gel etc. Shanghai TOP Company is one of the top enterprises with the most advanced production equipments and facilities. TOP’s products are widely used in petroleum, chemical engineering, refrigeration, gas purification, metallurgy，insulation glass, vehicle, electronic instrument, medicine, environmental production industry and so on. Shanghai TOP Company has had ISO 9001:2000 certification of quality management system by one of largest certification companies from CCIC China. TOP’s products quality be ensured all along under a strict inspecting role and advanced testing equipments, and a group of professional and technical personnel are serving for the company. About 25 percent of the staffs take part in products research and developing, while sales exploiture is regarded as the backbone of the enterprise. In the meantime, technical innovation and cooperation with the largest Chemical Engineering Institute in China- Shanghai Chemical Engineering Institute bring the company continuous development into reality.