Our Products can be grouped into 3 series: 1. Air Purifying Equipments Clean sampling vehices, clean benches, air showers, pass boxes, sandwich panels, prime, medium and high effective filters, self-purifiers, biological safety cabinets, Fan filter unit (FFU), etc. 2. Clean Room Engineering Provide cleanroom design, scheme , installation and services in any class. 3. Purifying Accessories Laser airborne particle counter, microbial air sampler, differential pressure gauge, anemoscope, hygrothermograph, luminometer, noise meter, germicidal lamps etc.