DONGGUAN PURECOMES TECHNOLOGY CO.,LTD

The experiment of the experts shows that one child needs 15 m3 fresh air an hour and 360 m3 per day. Calculating by weight, it is more than 460 kgs which is 100 times as the weight of the water for...

Negative ion therapy is an alternative form of health treatment that is based on the idea of using negative ions to drain the body of toxins that lead to a number of different health problems. Whil...

Photocatalyst is a kind of titanium dioxide [TiO2] as a representative of the photocatalytic function of the photosemiconductor materials of the general term. Under the UVA light, with the energy...

Electromagnetic wave drawing

UVGI stands for Ultraviolet Germicidal Irradiation, a method of sterilisation that uses ultraviolet (UV) light. The wavelength of UV light is shorter than that of visible light and exists in a numb...

Technology of HEPA & ULPAHEPA stands for High Efficiency Particulate Air, and a true HEPA filter is widely regarded as the ultimate filter. It was invented during World War II, when the Atomic Ener...