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Our History From year of 2000, AST begins to collaborate with top filter manufacturers in Europe and USA; later on Co-research and Co-development for Chinese market together with leading German media suppliers and independent test institutes. Our Factory 2,000m2 class 100,000 clean-room for HEPA assembly; full ranges self-designed manufacturing equipment; independent research and test centre; ‘TQM’ and ‘6S ‘management system. Our Product custom-made cartridges for fresh-air system and air-purifier; HVAC filters & HEPA/ULPA filter for air-conditi... [Details] |