about us公司介绍




Operating from its headquarter in Shanghai district China, AST has developed into an innovative one-source supplier for the air filtration market with their filtration products distributed in more than 20 countries worldwide.

AST’s product portfolio includes a comprehensive range of customized filters to suit a large range of applications including replacement cartridges for domestic air-purifiers, rigid filters for gas-turbines, high-temperature filters for spray painting booths and the bio-pharmaceutical industry, cabin filters for motor vehicle air conditioning systems as well as HVAC filters and HEPA/ULPA filters for general indoor air quality control and clean-room applications.

AST keeps pace with the development of the global filtration industry, by establishing long-term partnerships with relative industry committee, university research centers, 3rd-party test institutes as well as leading-manufacturers of filtration media and chemical absorbents.

With stringent quality control, in-house test facilities and an experienced R&D team, AST has built a strong reputation for providing an extensive range of high quality reliable products at very competitive prices.