Shanghai Gangkai Purifying Products Company, Ltd, one of China’s specialized mask manufacture. It was founded in 1992 and located in metropolis city—Shanghai. Over the years, many brands and products have been developed and produced. Most influential brand is GIKO. Brand GIKO covers two long-history products, they are GIKO 1400 surgical N95 masks and GIKO 1200H N95 mask. These two models have passed strict CDC NOISH certification.