Instruction for Irradiance calibration for QUV series 

Instruction for UV lamp replacement 

NQA participated in The 6^th International Exhibition and Conference on Coatings and Printing Ink – COATINGS EXPO 2019 that took place from June 26^th 2019 to June 28^th 2019 at the Saigon Exhibition and Convention Center (SECC)

NQA participated in the International Processing and Packaging Exhibition - PROPAK VIETNAM 2019 that took place from March 19th to 21st 2019 at the Saigon Exhibition and Convention Center (SECC).