All of the QUV accelerated weathering tester's lamps emit mainly ultraviolet rather than visible or infrared light, each lamp type differs in the total amount of UV energy emitted and in its wavelength spectrum. Fluorescent UV lamps are usually categorized as UVA or UVB lamps, depending on the region into which most of their output falls.

Founded in 1995, Bettersize Instruments is China's No. 1 player in the particle sizing business. In recent years, Bettersize has gained increasing significance in the global market, offering a wide variety of products from basic to advanced research equipment, delivering precise analysis of materials from nanometer to millimeter.

NQA participated in The 09th International Exhibition & Conference on Coatings, Color, Spechem and Printing ink industry in Vietnam – Coatings Expo 2024 which took place from June 12th to June 14th at the Saigon Exhibition & Convention Center (SECC)

NQA participated in The 12th Hanoi International Plastic & Rubber Industry Exhibition which took place from June 5th to June 8th at Hanoi International Center for Exhibition (I.C.E)