Logo factory is a professional production and processing of air purifier, commonly used air purification technologies include: adsorption technology, negative (positive) ion technology, catalysis technology, photocatalyst technology, super structure photocatalysis technology, HEPA high efficiency filtration technology, electrostatic dust collection technology, etc.; material technology mainly includes: photocatalyst, active carbon, synthetic fiber, HEPA high efficiency material, negative ion generator, etc., logo's Integrity, strength and product quality are recognized by the industry.